Schema Summary

codebook.xsd

This is a w3c Schema "Technical Implementation" of the DDI Conceptual Specification. Target Namespace: ddi:codebook:2_5 Defined Components: elements (243 global + 9 local), complexTypes (166), simpleTypes (3), element groups (2), attribute groups (1) Default Namespace-Qualified Form: Local Elements: qualified; Local Attributes: unqualified Schema Location: /Users/j/Documents/DDI/ddi_2_5_1/schemas/codebook.xsd; see XML source Imports Schemas (3): dcterms.xsd, ddi-xhtml11.xsd, xml.xsd

All Element Summary
abstract	Abstract Description An unformatted summary describing the purpose, nature, and scope of the data collection, special characteristics of its contents, major subject areas covered, and what questions the PIs attempted to answer when they conducted the study. Type: abstractType Content: mixed (allows character data), 10 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
accsPlac	Location of Data Collection Description Location where the data collection is currently stored. Type: accsPlacType Content: mixed (allows character data), 9 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
actMin	Actions to Minimize Losses Description Summary of actions taken to minimize data loss. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
algorithmSpecification	Type: xs:string Content: simple Defined: locally witnin dataFingerprintType complexType in codebook.xsd; see XML source
algorithmVersion	Type: xs:string Content: simple Defined: locally witnin dataFingerprintType complexType in codebook.xsd; see XML source
altTitl	Alternative Title Description A title by which the work is commonly referred, or an abbreviation of the title. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
anlyInfo	Data Appraisal Description Information on data appraisal. Type: anlyInfoType Content: complex, 8 attributes, 3 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
anlysUnit	Analysis Unit Description Provides information regarding whom or what the variable/nCube describes. Type: conceptualTextType Content: mixed (allows character data), 8 attributes, 26 elements Defined: globally in codebook.xsd; see XML source Used: at 2 locations
anlyUnit	Unit of Analysis Description Basic unit of analysis or observation that the file describes: individuals, families/households, groups, institutions/organizations, administrative units, etc. Type: anlyUnitType Content: mixed (allows character data), 9 attributes, 26 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
attribute	Attribute Description Identifies an attribute within the element(s) identified by the selector or specificElements in which the controlled vocabulary is used. Type: attributeType Content: simple Defined: globally in codebook.xsd; see XML source Used: at 1 location
AuthEnty	Authoring Entity/Primary Investigator Description The person, corporate body, or agency responsible for the work's substantive and intellectual content. Type: AuthEntyType Content: mixed (allows character data), 9 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
authorizationStatement	Authorization Statement Description The text of the authorization. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
authorizingAgency	Authorizing Agency Description Name of the agent or agency that authorized the study. Type: authorizingAgencyType Content: simple, 10 attributes Defined: globally in codebook.xsd; see XML source Used: at 1 location
avlStatus	Availability Status Description Statement of collection availability. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
backward	Backflow Description Contains a reference to IDs of possible preceding questions. Type: backwardType Content: mixed (allows character data), 9 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
biblCit	Bibliographic Citation Description Complete bibliographic reference containing all of the standard elements of a citation that can be used to cite the work. Type: biblCitType Content: mixed (allows character data), 9 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 2 locations
boundPoly	Geographic Bounding Polygon Description This field allows the creation of multiple polygons to describe in a more detailed manner the geographic area covered by the dataset. Type: boundPolyType Content: complex, 8 attributes, 1 element Defined: globally in codebook.xsd; see XML source Used: at 1 location
caseQnty	Number of cases / Record Quantity Description Number of cases or observations. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 2 locations
catgry	Category Description A description of a particular response. Type: catgryType Content: complex, 15 attributes, 5 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
catgryGrp	Category Group Description A description of response categories that might be grouped together. Type: catgryGrpType Content: complex, 16 attributes, 3 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
catLevel	Category Level Description Used to describe the levels of the category hierarchy. Type: catLevelType Content: empty, 10 attributes Defined: globally in codebook.xsd; see XML source Used: at 1 location
catStat	Category Level Statistic Description May include frequencies, percentages, or crosstabulation results. Type: catStatType Content: mixed (allows character data), 16 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 2 locations
catValu	Category Value Description The explicit response. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
citation	Bibliographic Citation Description This element encodes the bibliographic information for the work at the level specified: (1) Document Description, Citation (of Marked-up Document), (2) Document Description, Citation (of Marked-up Document Source), (3) Study Description, Citation (of Study), (4) Study Description, Other Material, and (5) Other Material for the study itself. Type: citationType Content: complex, 9 attributes, 10 elements Defined: globally in codebook.xsd; see XML source Used: at 5 locations
citReq	Citation Requirement Description Text of requirement that a data collection should be cited properly in articles or other publications that are based on analysis of the data. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
cleanOps	Cleaning Operations Description Methods used to "clean" the data collection, e.g., consistency checking, wild code checking, etc. Type: cleanOpsType Content: mixed (allows character data), 9 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
codeBook	Codebook Description Every element in the DDI DTD/Schema has the following attributes: Type: codeBookType Content: complex, 10 attributes, 5 elements Defined: globally in codebook.xsd; see XML source Used: never
codeListAgencyName	Code List Agency Name Description Agency maintaining the code list. Type: stringType Content: simple, 8 attributes Defined: globally in codebook.xsd; see XML source Used: at 1 location
codeListID	Code List ID Description Identifies the code list that the value is taken from. Type: stringType Content: simple, 8 attributes Defined: globally in codebook.xsd; see XML source Used: at 1 location
codeListName	Code List Name Description Identifies the code list that the value is taken from with a human-readable name. Type: stringType Content: simple, 8 attributes Defined: globally in codebook.xsd; see XML source Used: at 1 location
codeListSchemeURN	Code List Scheme URN Description Identifies the code list scheme using a URN. Type: stringType Content: simple, 8 attributes Defined: globally in codebook.xsd; see XML source Used: never
codeListSchemeURN (in controlledVocabUsed)	Type: xs:anyType Content: any Defined: locally witnin controlledVocabUsedType complexType in codebook.xsd; see XML source
codeListURN	Code List URN Description Identifies the code list that the value is taken from with a URN. Type: stringType Content: simple, 8 attributes Defined: globally in codebook.xsd; see XML source Used: at 1 location
codeListVersionID	Code List Version ID Description Version of the code list. Type: stringType Content: simple, 8 attributes Defined: globally in codebook.xsd; see XML source Used: at 1 location
codingInstructions	Coding Instructions Description Describe specific coding instructions used in data processing, cleaning, assession, or tabulation. Type: codingInstructionsType Content: complex, 10 attributes, 2 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
codInstr	Coder Instructions Description Any special instructions to those who converted information from one form to another for a particular variable. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
cohort	Cohort Description The element cohort is used when the nCube contains a limited number of categories from a particular variable, as opposed to the full range of categories. Type: cohortType Content: complex, 10 attributes, 1 element Defined: globally in codebook.xsd; see XML source Used: at 1 location
collDate	Date of Collection Description Contains the date(s) when the data were collected. Type: collDateType Content: mixed (allows character data), 11 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
collectorTraining	Collector Training Description Describes the training provided to data collectors including internviewer training, process testing, compliance with standards etc. Type: collectorTrainingType Content: mixed (allows character data), 9 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
collMode	Mode of Data Collection Description The method used to collect the data; instrumentation characteristics. Type: conceptualTextType Content: mixed (allows character data), 8 attributes, 26 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
collSitu	Characteristics of Data Collection Situation Description Description of noteworthy aspects of the data collection situation. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
collSize	Extent of Collection Description Summarizes the number of physical files that exist in a collection, recording the number of files that contain data and noting whether the collection contains machine-readable documentation and/or other supplementary files and information such as data dictionaries, data definition statements, or data collection instruments. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
colspec	Column Specification Type: colspecType Content: empty, 16 attributes Defined: globally in codebook.xsd; see XML source Used: at 1 location
command	Command Description Provide command code for the coding instruction. Type: commandType Content: simple, 9 attributes Defined: globally in codebook.xsd; see XML source Used: at 1 location
complete	Completeness of Study Stored Description This item indicates the relationship of the data collected to the amount of data coded and stored in the data collection. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
complianceDescription	Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: locally witnin standardsComplianceType complexType in codebook.xsd; see XML source
concept	Concept Description The general subject to which the parent element may be seen as pertaining. Type: conceptType Content: mixed (allows character data), 10 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 4 locations
conditions	Conditions Description Indicates any additional information that will assist the user in understanding the access and use conditions of the data collection. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
confDec	Confidentiality Declaration Description This element is used to determine if signing of a confidentiality declaration is needed to access a resource. Type: confDecType Content: mixed (allows character data), 11 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
ConOps	Control Operations Description Methods to facilitate data control performed by the primary investigator or by the data archive. Type: ConOpsType Content: mixed (allows character data), 9 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
contact	Contact Persons Description Names and addresses of individuals responsible for the work. Type: contactType Content: mixed (allows character data), 11 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 2 locations
controlledVocabUsed	Controlled Vocabulary Used Description Provides a code value, as well as a reference to the code list from which the value is taken. Type: controlledVocabUsedType Content: complex, 8 attributes, 7 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
copyright	Copyright Description Copyright statement for the work at the appropriate level. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
CubeCoord	Description This is an empty element containing only the attributes listed below. Type: CubeCoordType Content: empty, 11 attributes Defined: globally in codebook.xsd; see XML source Used: at 1 location
custodian	Custodian Description Custodian identifies the agency or individual who is responsible for creating or maintaining the sample frame. Type: custodianType Content: simple, 10 attributes Defined: globally in codebook.xsd; see XML source Used: at 1 location
dataAccs	Data Access Description This section describes access conditions and terms of use for the data collection. Type: dataAccsType Content: complex, 8 attributes, 3 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
dataAppr	Other Forms of Data Appraisal Description Other issues pertaining to data appraisal. Type: dataApprType Content: mixed (allows character data), 9 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
dataChck	Extent of Processing Checks Description Indicate here, at the file level, the types of checks and operations performed on the data file. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
dataColl	Data Collection Methdology Description Information about the methodology employed in a data collection. Type: dataCollType Content: complex, 8 attributes, 17 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
dataCollector	Data Collector Description The entity (individual, agency, or institution) responsible for administering the questionnaire or interview or compiling the data. Type: dataCollectorType Content: mixed (allows character data), 11 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
dataDscr	Variable Description Description Description of variables. Type: dataDscrType Content: complex, 8 attributes, 5 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
dataFingerprint	Data Fingerprint Description Allows for assigning a hash value (digital fingerprint) to the data or data file. Type: dataFingerprintType Content: complex, 1 attribute, 3 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
dataItem	Description Identifies a physical storage location for an individual data entry, serving as a link between the physical location and the logical content description of each data item. Type: dataItemType Content: complex, 10 attributes, 2 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
dataKind	Kind of Data Description The type of data included in the file: survey data, census/enumeration data, aggregate data, clinical data, event/transaction data, program source code, machine-readable text, administrative records data, experimental data, psychological test, textual data, coded textual, coded documents, time budget diaries, observation data/ratings, process-produced data, etc. Type: dataKindType Content: mixed (allows character data), 9 attributes, 26 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
dataMsng	Missing Data Description This element can be used to give general information about missing data, e.g., that missing data have been standardized across the collection, missing data are present because of merging, etc. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
dataProcessing	Data Processing Description Describes various data processing procedures not captured elsewhere in the documentation, such as topcoding, recoding, suppression, tabulation, etc. Type: dataProcessingType Content: mixed (allows character data), 9 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
dataSrc	Data Sources Description Used to list the book(s), article(s), serial(s), and/or machine-readable data file(s)--if any--that served as the source(s) of the data collection. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
dataSrc (in resource)	Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: locally witnin resourceType complexType in codebook.xsd; see XML source
defntn	Definition Description Rationale for why the group was constituted in this way. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 2 locations
depDate	Date of Deposit Description The date that the work was deposited with the archive that originally received it. Type: simpleTextAndDateType Content: mixed (allows character data), 9 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
depositr	Depositor Description The name of the person (or institution) who provided this work to the archive storing it. Type: depositrType Content: mixed (allows character data), 10 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
deposReq	Deposit Requirement Description Information regarding user responsibility for informing archives of their use of data through providing citations to the published work or providing copies of the manuscripts. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
derivation	Derivation Description Used only in the case of a derived variable, this element provides both a description of how the derivation was performed and the command used to generate the derived variable, as well as a specification of the other variables in the study used to generate the derivation. Type: derivationType Content: complex, 9 attributes, 2 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
description	Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: locally witnin developmentActivityType complexType in codebook.xsd; see XML source
developmentActivity	Type: developmentActivityType Content: complex, 9 attributes, 4 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
deviat	Major Deviations from the Sample Design Description Information indicating correspondence as well as discrepancies between the sampled units (obtained) and available statistics for the population (age, sex-ratio, marital status, etc.) as a whole. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
digitalFingerprintValue	Type: xs:string Content: simple Defined: locally witnin dataFingerprintType complexType in codebook.xsd; see XML source
dimensns	File Dimensions Description Dimensions of the overall file. Type: dimensnsType Content: complex, 8 attributes, 5 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
disclaimer	Disclaimer Description Information regarding responsibility for uses of the data collection. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
distDate	Date of Distribution Description Date that the work was made available for distribution/presentation. Type: simpleTextAndDateType Content: mixed (allows character data), 9 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
distrbtr	Distributor Description The organization designated by the author or producer to generate copies of the particular work including any necessary editions or revisions. Type: distrbtrType Content: mixed (allows character data), 11 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
distStmt	Distributor Statement Description Distribution statement for the work at the appropriate level: marked-up document; marked-up document source; study; study description, other material; other material for study. Type: distStmtType Content: complex, 8 attributes, 5 elements Defined: globally in codebook.xsd; see XML source Used: at 2 locations
div	Division Description Formatting element: marks a subdivision in a text. Type: divType Content: complex, 10 attributes, 6 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
dmns	Dimension Description This element defines a variable as a dimension of the nCube, and should be repeated to describe each of the cube's dimensions. Type: dmnsType Content: complex, 10 attributes, 1 element Defined: globally in codebook.xsd; see XML source Used: at 1 location
docDscr	Document Description Description The Document Description consists of bibliographic information describing the DDI-compliant document itself as a whole. Type: docDscrType Content: complex, 8 attributes, 6 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
docSrc	Documentation Source Description Citation for the source document. Type: docSrcType Content: complex, 9 attributes, 9 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
docStatus	Documentation Status Description Use this field to indicate if the documentation is being presented/distributed before it has been finalized. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
drvcmd	Derivation Command Description The actual command used to generate the derived variable. Type: drvcmdType Content: mixed (allows character data), 9 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
drvdesc	Derivation Description Description A textual description of the way in which this variable was derived. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
eastBL	East Bounding Longitude Description The easternmost coordinate delimiting the geographic extent of the dataset. Type: phraseType Content: mixed (allows character data), 8 attributes, 2 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
embargo	Embargo Description Provides information on variables/nCubes which are not currently available because of policies established by the principal investigators and/or data producers. Type: embargoType Content: mixed (allows character data), 11 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 2 locations
emph	Emphasis Description Formatting element: marks words or phrases that are emphasized for rhetorical effect. Type: emphType Content: mixed (allows character data), 10 attributes, 2 elements Defined: globally in codebook.xsd; see XML source Used: at 6 locations
entry	Table Entry Type: entryType Content: simple, 18 attributes Defined: globally in codebook.xsd; see XML source Used: at 1 location
EstSmpErr	Estimates of Sampling Error Description Measure of how precisely one can estimate a population value from a given sample. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
evaluationProcess	Evaluation Process Description Describes the evaluation process followed. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
evaluator	Evaluator Type Description The evaluator element identifies persons or organizations involved in the evaluation. Type: evaluatorType Content: simple, 11 attributes Defined: globally in codebook.xsd; see XML source Used: at 1 location
exPostEvaluation	Post Evaluation Procedures Description Use this section to describe evaluation procedures not address in data evaluation processes. Type: exPostEvaluationType Content: complex, 10 attributes, 3 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
ExtLink	External Link Description This element permits encoders to provide links from any arbitrary element containing ExtLink as a subelement to electronic resources outside the codebook. Type: ExtLinkType Content: mixed (allows character data), 11 attributes Defined: globally in codebook.xsd; see XML source Used: at 1 location
fileCitation	File Citation Description The complex element fileCitation provides for a full bibliographic citation option for each data file described in fileDscr. Type: citationType Content: complex, 9 attributes, 10 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
fileCont	Contents of Files Description Abstract or description of the file. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
fileDscr	Data Files Description Description Information about the data file(s) that comprises a collection. Type: fileDscrType Content: complex, 13 attributes, 3 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
fileName	File Name Description Contains a short title that will be used to distinguish a particular file/part from other files/parts in the data collection. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
filePlac	Place of File Production Description Indicates whether the file was produced at an archive or produced elsewhere. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
fileQnty	Number of Files Description Total number of physical files associated with a collection. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
fileStrc	File Structure Description Type of file structure. Type: fileStrcType Content: complex, 11 attributes, 2 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
fileTxt	File-by-File Description Description Provides descriptive information about the data file. Type: fileTxtType Content: complex, 8 attributes, 14 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
fileType	Type of File Description Types of data files include raw data (ASCII, EBCDIC, etc.) and software-dependent files such as SAS datasets, SPSS export files, etc. Type: fileTypeType Content: mixed (allows character data), 9 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
format	Data Format Description Physical format of the data file: Logical record length format, card-image format (i.e., data with multiple records per case), delimited format, free format, etc. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
forward	Forward Progression Description Contains a reference to IDs of possible following questions. Type: forwardType Content: mixed (allows character data), 9 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
frameUnit	Frame Unit Description Provides information about the sampling frame unit. Type: frameUnitType Content: complex, 9 attributes, 2 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
frequenc	Frequency of Data Collection Description For data collected at more than one point in time, the frequency with which the data were collected. Type: frequencType Content: mixed (allows character data), 9 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
fundAg	Funding Agency/Sponsor Description The source(s) of funds for production of the work. Type: fundAgType Content: mixed (allows character data), 10 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
geoBndBox	Geographic Bounding Box Description The fundamental geometric description for any dataset that models geography. Type: geoBndBoxType Content: complex, 8 attributes, 4 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
geogCover	Geographic Coverage Description Information on the geographic coverage of the data. Type: conceptualTextType Content: mixed (allows character data), 8 attributes, 26 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
geogUnit	Geographic Unit Description Lowest level of geographic aggregation covered by the data. Type: conceptualTextType Content: mixed (allows character data), 8 attributes, 26 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
geoMap	Geographic Map Description This element is used to point, using a "URI" attribute, to an external map that displays the geography in question. Type: geoMapType Content: empty, 11 attributes Defined: globally in codebook.xsd; see XML source Used: at 1 location
grantNo	Grant Number Description The grant/contract number of the project that sponsored the effort. Type: grantNoType Content: mixed (allows character data), 10 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
gringLat	G-Ring Latitude Description Latitude (y coordinate) of a point. Type: phraseType Content: mixed (allows character data), 8 attributes, 2 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
gringLon	G-Ring Longitude Description Longitude (x coordinate) of a point. Type: phraseType Content: mixed (allows character data), 8 attributes, 2 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
guide	Guide to Codebook Description List of terms and definitions used in the documentation. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
head	Head Description Formatting element: marks off a heading to a division, list, etc. Type: headType Content: mixed (allows character data), 11 attributes, 5 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
hi	Highlight Description Formatting element: marks a word or phrase as graphically distinct from the surrounding text, while making no claim for the reasons. Type: hiType Content: mixed (allows character data), 10 attributes, 2 elements Defined: globally in codebook.xsd; see XML source Used: at 6 locations
holdings	Holdings Information Description Information concerning either the physical or electronic holdings of the cited work. Type: holdingsType Content: mixed (allows character data), 12 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 2 locations
IDNo	Identification Number Description Unique string or number (producer's or archive's number). Type: IDNoType Content: mixed (allows character data), 10 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
imputation	Imputation Description According to the Statistical Terminology glossary maintained by the National Science Foundation, this is "the process by which one estimates missing values for items that a survey respondent failed to provide," and if applicable in this context, it refers to the type of procedure used. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 2 locations
instrumentDevelopment	Instrument Development Description Describe any development work on the data collection instrument. Type: instrumentDevelopmentType Content: mixed (allows character data), 9 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
invalrng	Range of Invalid Data Values Description Values for a particular variable that represent missing data, not applicable responses, etc. Type: invalrngType Content: complex, 8 attributes, 4 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
item	Value Item Description The counterpart to Range; used to encode individual values. Type: itemType Content: empty, 10 attributes Defined: globally in codebook.xsd; see XML source Used: at 2 locations
itm	Item Description Formatting element: marks entries (items) in a list. Type: itmType Content: mixed (allows character data), 10 attributes, 7 elements Defined: globally in codebook.xsd; see XML source Used: at 2 locations
ivuInstr	Interviewer Instructions Description Specific instructions to the individual conducting an interview. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
key	Range Key Description This element permits a listing of the category values and labels. Type: tableAndTextType Content: mixed (allows character data), 8 attributes, 25 elements Defined: globally in codebook.xsd; see XML source Used: at 2 locations
keyword	Keywords Description Words or phrases that describe salient aspects of a data collection's content. Type: keywordType Content: mixed (allows character data), 10 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
label	Label Description Formatting element: contains the label associated with an item in a list; in glossaries, marks the term being defined. Type: labelType Content: mixed (allows character data), 10 attributes, 4 elements Defined: globally in codebook.xsd; see XML source Used: at 3 locations
labl	Label Description A short description of the parent element. Type: lablType Content: mixed (allows character data), 12 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 9 locations
Link	Link Description This element permits encoders to provide links from any arbitrary element containing Link as a subelement to other elements in the codebook. Type: LinkType Content: mixed (allows character data), 11 attributes Defined: globally in codebook.xsd; see XML source Used: at 1 location
list	List Description Formatting element: contains any sequence of items (entries) organized as a list. Type: listType Content: complex, 11 attributes, 2 elements Defined: globally in codebook.xsd; see XML source Used: at 6 locations
location	Location Description This is an empty element containing only the attributes listed below. Type: locationType Content: empty, 14 attributes Defined: globally in codebook.xsd; see XML source Used: at 2 locations
locMap	Location Map Description This element maps individual data entries to one or more physical storage locations. Type: locMapType Content: complex, 8 attributes, 1 element Defined: globally in codebook.xsd; see XML source Used: at 1 location
logRecL	Logical Record Length Description Logical record length, i.e., number of characters of data in the record. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 2 locations
measure	Measure Description The element measure indicates the measurement features of the cell content: type of aggregation used, measurement unit, and measurement scale. Type: measureType Content: empty, 15 attributes Defined: globally in codebook.xsd; see XML source Used: at 1 location
method	Methodology and Processing Description This section describes the methodology and processing involved in a data collection. Type: methodType Content: complex, 8 attributes, 6 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
mi	Mathematical Identifier Description Token element containing the smallest unit in the mrow that carries meaning. Type: miType Content: mixed (allows character data), 9 attributes, 2 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
mrow	Mathematical Row Description This element is a wrapper containing the presentation expression mi. Type: mrowType Content: complex, 8 attributes, 1 element Defined: globally in codebook.xsd; see XML source Used: at 1 location
nation	Country Description Indicates the country or countries covered in the file. Type: nationType Content: mixed (allows character data), 9 attributes, 26 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
nCube	nCube Description Describes the logical structure of an n-dimensional array, in which each coordinate intersects with every other dimension at a single point. Type: nCubeType Content: complex, 15 attributes, 14 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
nCubeGrp	nCube Group Description A group of nCubes that may share a common subject, arise from the interpretation of a single question, or are linked by some other factor. Type: nCubeGrpType Content: complex, 17 attributes, 6 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
northBL	North Bounding Latitude Description The northernmost coordinate delimiting the geographic extent of the dataset. Type: phraseType Content: mixed (allows character data), 8 attributes, 2 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
notes	Notes and comments Description For clarifying information/annotation regarding the parent element. Type: notesType Content: mixed (allows character data), 15 attributes, 25 elements Defined: globally in codebook.xsd; see XML source Used: at 19 locations
origArch	Archive Where Study Originally Stored Description Archive from which the data collection was obtained; the originating archive. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
otherMat	Other Study-Related Materials Description This section allows for the inclusion of other materials that are related to the study as identified and labeled by the DTD/Schema users (encoders). Type: otherMatType Content: complex, 11 attributes, 6 elements Defined: globally in codebook.xsd; see XML source Used: at 2 locations
otherQualityStatement	Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: locally witnin qualityStatementType complexType in codebook.xsd; see XML source
othId	Other Identifications /Acknowledgments Description Statements of responsibility not recorded in the title and statement of responsibility areas. Type: othIdType Content: mixed (allows character data), 11 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
othRefs	Other References Notes Description Indicates other pertinent references. Type: othRefsType Content: mixed (allows character data), 8 attributes, 25 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
othrStdyMat	Other Study Description Materials Description Other materials relating to the study description. Type: othrStdyMatType Content: complex, 8 attributes, 4 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
outcome	Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: locally witnin developmentActivityType complexType in codebook.xsd; see XML source
outcomes	Evaluation Outcomes Description Describe the outcomes of the evaluation. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
p	Paragraph Description Marks a paragraph. Type: pType Content: mixed (allows character data), 10 attributes, 5 elements Defined: globally in codebook.xsd; see XML source Used: at 2 locations
participant	Type: participantType Content: simple, 11 attributes Defined: globally in codebook.xsd; see XML source Used: at 1 location
parTitl	Parallel Title Description Title translated into another language. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
physLoc	Description This is an empty element containing only the attributes listed below. Type: physLocType Content: empty, 13 attributes Defined: globally in codebook.xsd; see XML source Used: at 1 location
point	Point Description 0-dimensional geometric primitive, representing a position, but not having extent. Type: pointType Content: complex, 8 attributes, 2 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
polygon	Polygon Description The minimum polygon that covers a geographical area, and is delimited by at least 4 points (3 sides), in which the last point coincides with the first point. Type: polygonType Content: complex, 8 attributes, 1 element Defined: globally in codebook.xsd; see XML source Used: at 1 location
postQTxt	PostQuestion Text Description Text describing what occurs after the literal question has been asked. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
preQTxt	PreQuestion Text Description Text describing a set of conditions under which a question might be asked. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
ProcStat	Processing Status Description Processing status of the file. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
prodDate	Date of Production Description Date when the marked-up document/marked-up document source/data collection/other material(s) were produced (not distributed or archived). Type: simpleTextAndDateType Content: mixed (allows character data), 9 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
prodPlac	Place of Production Description Address of the archive or organization that produced the work. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
prodStmt	Production Statement Description Production statement for the work at the appropriate level: marked-up document; marked-up document source; study; study description, other material; other material for study. Type: prodStmtType Content: complex, 8 attributes, 7 elements Defined: globally in codebook.xsd; see XML source Used: at 2 locations
producer	Producer Description The producer is the person or organization with the financial or administrative responsibility for the physical processes whereby the document was brought into existence. Type: producerType Content: mixed (allows character data), 11 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 2 locations
purpose	Description Explains the purpose for which a particular nCube was created. Type: purposeType Content: mixed (allows character data), 12 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
qstn	Question Description The question element may have mixed content. Type: qstnType Content: mixed (allows character data), 14 attributes, 30 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
qstnLit	Literal Question Description Text of the actual, literal question asked. Type: qstnLitType Content: mixed (allows character data), 9 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
qualityStatement	Quality Statement Description This structure consists of two parts, standardsCompliance and otherQualityStatements. Type: qualityStatementType Content: complex, 8 attributes, 2 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
range	Value Range Description This is the actual range of values. Type: rangeType Content: empty, 13 attributes Defined: globally in codebook.xsd; see XML source Used: at 3 locations
recDimnsn	Dimensions (of record) Description Information about the physical characteristics of the record. Type: recDimnsnType Content: complex, 9 attributes, 3 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
recGrp	Record or Record Group Description Used to describe record groupings if the file is hierarchical or relational. Type: recGrpType Content: complex, 15 attributes, 2 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
recNumTot	Overall Number of Records Description Overall record count in file. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
recPrCas	Records per Case Description Records per case in the file. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
referencePeriod	Reference Period Description Indicates the period of time in which the sampling frame was actually used for the study in question. Type: eventDateType Content: simple, 9 attributes Defined: globally in codebook.xsd; see XML source Used: at 1 location
relMat	Related Materials Description Describes materials related to the study description, such as appendices, additional information on sampling found in other documents, etc. Type: relMatType Content: mixed (allows character data), 12 attributes, 25 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
relPubl	Related Publications Description Bibliographic and access information aboutvarticles and reports based on the data in this collection. Type: materialReferenceType Content: mixed (allows character data), 8 attributes, 25 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
relStdy	Related Studies Description Information on the relationship of the current data collection to others (e.g., predecessors, successors, other waves or rounds) or to other editions of the same file. Type: materialReferenceType Content: mixed (allows character data), 8 attributes, 25 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
resInstru	Type of Research Instrument Description The type of data collection instrument used. Type: resInstruType Content: mixed (allows character data), 9 attributes, 26 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
resource	Type: resourceType Content: complex, 8 attributes, 4 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
respRate	Response Rate Description The percentage of sample members who provided information. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
respUnit	Response Unit Description Provides information regarding who provided the information contained within the variable/nCube, e.g., respondent, proxy, interviewer. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 2 locations
restrctn	Restrictions Description Any restrictions on access to or use of the collection such as privacy certification or distribution restrictions should be indicated here. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
row	Table Row Type: rowType Content: complex, 10 attributes, 1 element Defined: globally in codebook.xsd; see XML source Used: at 2 locations
rspStmt	Responsibility Statement Description Responsibility for the creation of the work at the appropriate level: marked-up document; marked-up document source; study; study description, other material; other material for study. Type: rspStmtType Content: complex, 8 attributes, 2 elements Defined: globally in codebook.xsd; see XML source Used: at 2 locations
sampleFrame	Sample Frame Description Sample frame describes the sampling frame used for identifying the population from which the sample was taken. Type: sampleFrameType Content: complex, 8 attributes, 10 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
sampleFrameName	Sample Frame Name Description Name of the sample frame. Type: stringType Content: simple, 8 attributes Defined: globally in codebook.xsd; see XML source Used: at 1 location
sampleSize	Sample Size Description This element provides the targeted sample size in integer format. Type: integerType Content: simple, 8 attributes Defined: globally in codebook.xsd; see XML source Used: at 1 location
sampleSizeFormula	Sample Size Formula Description This element includes the formula that was used to determine the sample size. Type: stringType Content: simple, 8 attributes Defined: globally in codebook.xsd; see XML source Used: at 1 location
sampProc	Sampling Procedure Description The type of sample and sample design used to select the survey respondents to represent the population. Type: conceptualTextType Content: mixed (allows character data), 8 attributes, 26 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
security	Security Description Provides information regarding levels of access, e.g., public, subscriber, need to know. Type: simpleTextAndDateType Content: mixed (allows character data), 9 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 2 locations
selector	Selector Description Identifies a collection of elements in which a controlled vocabulary is used. Type: selectorType Content: simple Defined: globally in codebook.xsd; see XML source Used: at 1 location
serInfo	Series Information Description Contains a history of the series and a summary of those features that apply to the series as a whole. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
serName	Series Name Description The name of the series to which the work belongs. Type: serNameType Content: mixed (allows character data), 9 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
serStmt	Series Statement Description Series statement for the work at the appropriate level: marked-up document; marked-up document source; study; study description, other material; other material for study. Type: serStmtType Content: complex, 9 attributes, 2 elements Defined: globally in codebook.xsd; see XML source Used: at 2 locations
setAvail	Data Set Availability Description Information on availability and storage of the collection. Type: setAvailType Content: complex, 12 attributes, 7 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
software	Software used in Production Description Software used to produce the work. Type: softwareType Content: mixed (allows character data), 10 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 2 locations
sourceCitation	Source Citation Description This complex element allows the inclusion of a standard citation for the sources used in collecting and creating the dataset. Type: citationType Content: complex, 9 attributes, 10 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
sources	Sources Statement Description Description of sources used for the data collection. Type: sourcesType Content: complex, 8 attributes, 6 elements Defined: globally in codebook.xsd; see XML source Used: at 2 locations
southBL	South Bounding Latitude Description The southernmost coordinate delimiting the geographic extent of the dataset. Type: phraseType Content: mixed (allows character data), 8 attributes, 2 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
specificElements	Specific Elements Description Identifies a collection of specific elements via their identifiers in the refs attribute, which allows for a tokenized list of identifier values which must correspond to identifiers which exist in the instance. Type: specificElementsType Content: empty, 2 attributes Defined: globally in codebook.xsd; see XML source Used: at 1 location
specPerm	Special Permissions Description This element is used to determine if any special permissions are required to access a resource. Type: specPermType Content: mixed (allows character data), 11 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
srcChar	Characteristics of Source Noted Description Assessment of characteristics and quality of source material. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 2 locations
srcDocu	Documentation and Access to Sources Description Level of documentation of the original sources. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 2 locations
srcOrig	Origins of Sources Description For historical materials, information about the origin(s) of the sources and the rules followed in establishing the sources should be specified. Type: conceptualTextType Content: mixed (allows character data), 8 attributes, 26 elements Defined: globally in codebook.xsd; see XML source Used: at 2 locations
standard	Standard Description Describes a standard with which the study complies. Type: standardType Content: complex, 8 attributes, 2 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
standardName	Standard Name Description Contains the name of the standard with which the study complies. Type: standardNameType Content: simple, 11 attributes Defined: globally in codebook.xsd; see XML source Used: at 1 location
standardsCompliance	Standards Compliance Description This section lists all specific standards complied with during the execution of this study. Type: standardsComplianceType Content: complex, 8 attributes, 2 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
stdCatgry	Standard Categories Description Standard category codes used in the variable, like industry codes, employment codes, or social class codes. Type: stdCatgryType Content: mixed (allows character data), 10 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
stdyClas	Class of the Study Description Generally used to give the data archive's class or study status number, which indicates the processing status of the study. Type: stdyClasType Content: mixed (allows character data), 9 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
stdyDscr	Study Description Description The Study Description consists of information about the data collection, study, or compilation that the DDI-compliant documentation file describes. Type: stdyDscrType Content: complex, 9 attributes, 8 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
stdyInfo	Study Scope Description This section contains information about the data collection's scope across several dimensions, including substantive content, geography, and time. Type: stdyInfoType Content: complex, 8 attributes, 7 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
studyAuthorization	Study Authorization Description Provides structured information on the agency that authorized the study, the date of authorization, and an authorization statement. Type: studyAuthorizationType Content: complex, 9 attributes, 2 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
studyBudget	Study Budget Description Describe the budget of the project in as much detail as needed. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
studyDevelopment	Study Development Description Describe the process of study development as a series of development activities. Type: studyDevelopmentType Content: complex, 8 attributes, 1 element Defined: globally in codebook.xsd; see XML source Used: at 1 location
subject	Subject Information Description Subject information describing the data collection's intellectual content. Type: subjectType Content: complex, 8 attributes, 2 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
subTitl	Subtitle Description A secondary title used to amplify or state certain limitations on the main title. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
sumDscr	Summary Data Description Description Information about the and geographic coverage of the study and unit of analysis. Type: sumDscrType Content: complex, 8 attributes, 10 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
sumStat	Summary Statistics Description One or more statistical measures that describe the responses to a particular variable and may include one or more standard summaries, e.g., minimum and maximum values, median, mode, etc. Type: sumStatType Content: mixed (allows character data), 13 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
table	Table Type: tableType Content: complex, 12 attributes, 2 elements Defined: globally in codebook.xsd; see XML source Used: at 2 locations
targetSampleSize	Target Sample Size Description Provides both the target size of the sample (this is the number in the original sample, not the number of respondents) as well as the formula used for determining the sample size. Type: targetSampleSizeType Content: complex, 8 attributes, 2 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
tbody	Table Body Type: tbodyType Content: complex, 9 attributes, 1 element Defined: globally in codebook.xsd; see XML source Used: at 1 location
tgroup	Table Group Type: tgroupType Content: complex, 12 attributes, 3 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
thead	Table Head Type: theadType Content: complex, 9 attributes, 1 element Defined: globally in codebook.xsd; see XML source Used: at 1 location
timeMeth	Time Method Description The time method or time dimension of the data collection. Type: timeMethType Content: mixed (allows character data), 9 attributes, 26 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
timePrd	Time Period Covered Description The time period to which the data refer. Type: timePrdType Content: mixed (allows character data), 11 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
titl	Title Description Full authoritative title for the work at the appropriate level: marked-up document; marked-up document source; study; other material(s) related to study description; other material(s) related to study. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 2 locations
titlStmt	Title Statement Description Title statement for the work at the appropriate level: marked-up document; marked-up document source; study; study description, other materials; other materials for study. Type: titlStmtType Content: complex, 8 attributes, 5 elements Defined: globally in codebook.xsd; see XML source Used: at 2 locations
topcClas	Topic Classification Description The classification field indicates the broad substantive topic(s) that the data cover. Type: topcClasType Content: mixed (allows character data), 10 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
TotlResp	Total Responses Description The number of responses to this variable. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
txt	Descriptive Text Description Lengthier description of the parent element. Type: txtType Content: mixed (allows character data), 10 attributes, 25 elements Defined: globally in codebook.xsd; see XML source Used: at 11 locations
undocCod	List of Undocumented Codes Description Values whose meaning is unknown. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
unitType	Unit Type Description Describes the type of sampling frame unit. Type: unitTypeType Content: simple, 9 attributes Defined: globally in codebook.xsd; see XML source Used: at 1 location
universe	Universe Description The group of persons or other elements that are the object of research and to which any analytic results refer. Type: universeType Content: mixed (allows character data), 10 attributes, 26 elements Defined: globally in codebook.xsd; see XML source Used: at 6 locations
updateProcedure	Instrument Development Description Description of how and with what frequency the sample frame is updated. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
usage	Usage Description Defines where in the instance the controlled vocabulary which is identified is utilized. Type: usageType Content: complex, 3 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
useStmt	Use Statement Description Information on terms of use for the data collection. Type: useStmtType Content: complex, 8 attributes, 8 elements Defined: globally in codebook.xsd; see XML source Used: at 2 locations
validPeriod	Valid Period Description Defines a time period for the validity of the sampling frame. Type: eventDateType Content: simple, 9 attributes Defined: globally in codebook.xsd; see XML source Used: at 1 location
valrng	Range of Valid Data Values Description Values for a particular variable that represent legitimate responses. Type: valrngType Content: complex, 8 attributes, 4 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
var	Variable Description This element describes all of the features of a single variable in a social science data file. Type: varType Content: complex, 36 attributes, 26 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
varFormat	Variable Format Description The technical format of the variable in question. Type: varFormatType Content: mixed (allows character data), 15 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
varGrp	Variable Group Description A group of variables that may share a common subject, arise from the interpretation of a single question, or are linked by some other factor. Type: varGrpType Content: complex, 18 attributes, 6 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
varQnty	Overall Variable Count Description Number of variables. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 2 locations
verResp	Version Responsibility Statement Description The organization or person responsible for the version of the work. Type: verRespType Content: mixed (allows character data), 9 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
version	Version Description Also known as release or edition. Type: versionType Content: mixed (allows character data), 10 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
verStmt	Version Statement Description Version statement for the work at the appropriate level: marked-up document; marked-up document source; study; study description, other material; other material for study. Type: verStmtType Content: complex, 8 attributes, 3 elements Defined: globally in codebook.xsd; see XML source Used: at 5 locations
weight	Weighting Description The use of sampling procedures may make it necessary to apply weights to produce accurate statistical results. Type: simpleTextType Content: mixed (allows character data), 8 attributes, 24 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location
westBL	West Bounding Longitude Description The westernmost coordinate delimiting the geographic extent of the dataset. Type: phraseType Content: mixed (allows character data), 8 attributes, 2 elements Defined: globally in codebook.xsd; see XML source Used: at 1 location