[Mirrored from: http://www.icpsr.umich.edu/DDI/codebook/dtdhier.html]
|-- Header (Documentation Description) | |-- Study Description | |-- Data Files Description | |-- Record & Variable Description | |-- Other Study-Related Materials (Encoder Defined)
Citation (of Documentation) | | -- Title (of Documentation) Statement | |--Title | |--Subtitle | |--Common Title | |--Parallel Title NEW | |--Common Abrev. | |--Producer Documentation | | Number | |--Archive Documentation | | Number | | -- Responsibility (for Documentation) Statement | |--Principal Investigator | | /Author of Document | |--PI Affiliation | |--Funding Agency | |--Grant Number | |--Other identifications/ | acknowledgments | | -- Production (of Documentation) Statement | |--Producer | |--Date of Production | |--Place of Production. | |--Software used in | Document Production | | -- Distributor (of Documentation) Statement | |--Document Distributor | |--Contact Persons | |--Depositor | |--Date of Deposit | |--Date of Distribution | | -- Document Series Statement | |--Series Name | |--Series Information | | -- Document Version Statement | |--Version | |--Version Responsibilty | | -- Bibliographic Citation of Documentation |
| -- Citation (of Study) | -- Study Information | -- Methodology and Processing (Study Level) | -- Data Access | -- Other Study Description Materials (Encoder Defined)
| -- Title (of Study) Statement | |--Title | |--Subtitle | |--Common Title | |--Parallel Title | |--Common Abrev. | |--Producre Study Number | |--Archive Study Number | | -- Responsibility (for Study) Statement | |--Principal Invest. | |--PI Affiliation | |--Funding Agency | |--Grant Number | |--Collection Institution | |--Data Collection Staff | |--Research Initiator | |--Other identifications | /acknowledgments | | -- Production (of Study) Statement | |--Producer | |--Date of Production | |--Place of Production. | |--Software used in | Data Produciton | | -- Distributor (of Study) Statement | |--Data Distributor | |--Contact Persons | |--Depositor | |--Date of Deposit | |--Date of Distribution | | -- Study Series Statement | |--Series Name | |--Series Information | | -- Version (of Study) Statement | |--Version | |--Version Responsib. | | -- Bibliographic Citation of Study |
| | -- Subject Information --|--Keywords | |--Topic Classificat. | | -- Abstract Information -|--Abstract ID Number | |--Abstract | |--Abstract Date | | -- Data Description -----|--Time Period Covered | |--Date of Collection | |--Time Dimensions | |--Country | |--Geographic Unit | |--Unit of Analysis | |--Universe | |--Kind of Data | | -- Acknowledgements | | -- Documentation Statement | |--Documentation | |--Language(s) of Written | | Materials | |--Codebook Information | |--Related Materials | |--Related Studies | |--Other References Note
| -- Data Collection Methodology | |--Time Method | |--Frequency | |--Sampling Procedure | |--Major Deviations from Design | |--Mode of Data Collection | |--Type of Research Instrument | |--Sources Statement | | |-Data Sources | | |-Origins of Sources | | |-Characteristics of Sources Noted | | |-Documentation/Access to Sources | |--Characteristics of the Data | |--Collection Situation | |--Actions to Minimize Losses | |--Control Operations Performed by | | Original Investigator | |--Control Operations Performed by Archive | |--Cleaning Operations | |--Weighting | | -- Error Notes (Study Level) | | -- Analysis Information | |--Data Appraisal | |--Analysis Results | |--Potential Research Areas | | -- Study Status
| -- Data Set Availability | |--Original Archive Where Study Stored | |--Collection Note | |--Extent of Collection | |--Completeness of Study Stored | |--Number of Files | | -- Data Use Statement |--Restrictions |--Access Authority |--Citation Requirement |--Disclaimer |--Analysis Conditions |--Other Reanalysis Conditions Note
|--File Description | |--File Name | |--Contents of File | |--File Structure | | |--Structural Type | | |--Key Variables | | |--File Dimensions | | |--Block Size | | |--Records per Case | | |--Overall Case Count | | |--Overall Variable Count | | |--Record | | |--LRECL | | |--Case Count | | |--Variable Count | | |--Constituent Variables | | (References to) | |--Type of File | |--Place of Production | |--Extent of Process. | |--Missing Data | |--Software
|--Variable Groups | |--Variable Group Label | |--Variable Group Text | |--Variable Group Definition | |--Variables |--Location |--Variable Label |--Question | |--Pre-Question Text | |--Post-Question Text | |--Back Flow | |--Forward Progression |--Range | (Atts: include/exclude, | +/-, GT, LT, LE, GE) |--Universe |--Summary Statistics |--Variable Text |--Category--|--Category Value | |--Category Label | |--Category Text | |--Category | Statistic |--Editing Instructions |--Error Comments (Variable Level)