Mandatory: Study Title Name of Creator Name of Publisher Name of Contributor Date of publication (use ISO format: YYYYMMDD) Mandatory: Human-Readable Abstract of Study (allows xhtml) Mandatory: Reference to Universe ID Name of Series Abbreviation used for Series Name Human-Readable Description of Series (allows xhtml) Reference to Funding Agency ID Grant Number Mandatory: Human-Readable Description of Study Purpose - Research Question(s), Hypotheses (allows xhtml) Subject-heading describing topical coverage Keyword describing topical coverage Human-Readable Description of Geographic Coverage (allows xhtml) (Mandatory Choice) Reference to Top Level ID, as described in the Geographic Structure Scheme (not included in this CORE template) (Mandatory Choice): Top Level Name (Mandatory Choice) Reference to Lowest Level ID, as described in the Geographic Structure Scheme (not included in this CORE template) (Mandatory Choice): Lowest Level Name Start Date for Date, or Time Period covered by the data (use ISO format) End Date for Date, or Time Period covered by the data (use ISO format) Cycle number, if applicable Mandatory: Processible code for this element Human-Readable Description of the Unit(s) of Analysis in the Study (allows xhtml) Describes the kind of data in this study: allows use of external CV Mandatory: Title of Related External Material Reference to ID of Element that the cited material relates to Reference to ID of Element that the note is related to Content of note (allows xhtml) Mandatory: Title of Related External Material Reference to ID of Element that the cited material relates to Reference to ID of Element that the note is related to Content of note (allows xhtml) Concept Label Human-Readable Description of Concept Label for Concept Group Reference to ID of concept belonging to this group Reference to ID of concept belonging to this group Human-Readable Description of Study-Level Universe (allows xhtml) Human-Readable Description of a Subuniverse used in the data. Mandatory: Title of Related External Material Reference to ID of Element that the cited material relates to Reference to ID of Element that the note is related to Content of note (allows xhtml) Human-Readable Description of Time Method used (allows xhtml) Human-Readable Description of Sampling Procedure (allows xhtml) Reference to ID of Data Collector, as described in the Organizations module Human-Readable Description of Data Source (allows xhtml) Start Date for Data Collection (use ISO format) End Date for Data Collection (use ISO format) Human-Readable description of the mode of data collection (allows xhtml) Literal text of the question Reference to ID of CodeScheme used for responses to this question Human-Readable Description of Post-Collection Control Operation(s) (allows xhtml) Human-Readable Description of Post-Collection Cleaning Operation(s) (allows xhtml) Human-Readable Description of Weighting Operations (allows xhtml) Documents response rate Documents sampling error Human-Readable Description of Logical Record (allows xhtml) Mandatory: Title of Related External Material Reference to ID of Element that the cited material relates to Reference to ID of Element that the note is related to Content of note (allows xhtml) Category Label Mandatory: Reference to ID of Category that this value stands for Code value associated with the category referenced above Variable Name Variable Label Reference to ID of Universe or SubUniverse used in this Variable Reference to ID of Question used to generate this variable Mandatory: Processible code for this element Human-Readable Description of the Unit of Analysis in this Variable (allows xhtml) Reference to ID of CodeScheme used to represent values of this variable Describes type of group (allows use of external CV) Label for the Variable Group Reference to ID of Variable that is a member of this group Reference to ID of Variable (sub)group that is member of this group Mandatory: Title of Related External Material Reference to ID of Element that the cited material relates to Reference to ID of Element that the note is related to Content of note (allows xhtml) Mandatory: Reference to LogicalProduct ID Mandatory: Reference to Logical Record ID Name of Physical Record Segment Mandatory: Reference to PhysicalStructure ID Mandatory: Description of character set used (may use external CV) Mandatory (indicates position of first value): e.g., 1 Mandatory: Reference to ID of Variable represented Start Position of Variable in Data Width of Variable (Must be specified if end position is not provided) Indicates number of Decimal places for the referenced variable Mandatory: Title of Related External Material Reference to ID of Element that the cited material relates to Reference to ID of Element that the note is related to Content of note (allows xhtml) Mandatory: Reference to ID of Record Layout Mandatory: URI for Data File (use URI structure) Human-Readable Description of Processing Checks, if performed (allows xhtml) Number of Cases in the Data File Number of Records in the Data File Mandatory: Reference to ID of Variable represented Mandatory: Indicates Type of Summary Statistic (allows use of external CV) Mandatory: Boolean: Indicates whether statistic is weighted Mandatory: Value of statistic Mandatory: Category Value Mandatory: Indicates Type of Category Statistic (allows use of external CV) Mandatory: Boolean: Indicates whether statistic is weighted Mandatory: Value of statistic Mandatory: Reference to ID of Organization/Individual who acts as Archive Specifies call number used by Archive for this Collection URI for the collection (use URI format) Indicates number of Items described within the Collection Human-Readable Description of Access Conditions for the Collection (allows xhtml) Human-Readable Description of Availability Status for the Collection (allows xhtml) Indicates number of data files in the Collection Specifies call number used by Archive for this Item URI for the Item (use URI format) Specifies Item format Specifies medium/media for the Item Human-Readable Description of Access Conditions for the Item (allows xhtml) Human-Readable Description of Availability Status for the Item (allows xhtml) Name of Organization Reference to ID of Organization Description of relation: may be used to indicate affiliation First name of Individual Middle name or initial of Individual Last name or initial of Individual Reference to ID of Organization Description of relation: may be used to indicate affiliation Indicates type of event (allows use of external CV) Mandatory: Date, or Range of Dates (use StartDate and EndDate) for the Event Mandatory: Reference to ID of Organization or Individual Responsible for Event Mandatory: Human-Readable Description of Event (allows xhtml)