| Fields |
|
|
|
| Description | Required | DDI Documentation |
|---|
| Instrument |
|
|
|
| Holds information about the instrument (usually a questionnaire) | Yes | https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/item-types/Instrument/ |
| InstrumentName |
|
|
| Instrument prefix | Yes | https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/item-types/Instrument/ |
| Agency |
|
|
| The DDI agency identifier for the metadata e.g. uk.alspac, uk.cls.mcs | Yes | https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/item-types/Instrument/ |
| InstrumentName |
|
|
| Title of the instrument | Yes | https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/item-types/Instrument/ |
| InterviewerInstruction |
|
|
| Question instruction | No | https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/item-types/Instrument/ |
|
| LiteralText |
|
| Instruction text | No | https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/item-types/Instrument/ |
| ControlConstruct |
|
|
| Holds all constructs in order they appear in the questionnaire | Yes | https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/item-types/ControlConstruct/ |
|
| Sequence |
|
| Section of questionnaire which contains other control constructs | Yes | https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/item-types/Sequence/ |
|
|
| ConstructName |
| Section header |
| https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/item-types/ControlConstruct/ |
|
|
| ConstructLabel |
| Section header |
| https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/item-types/ControlConstruct/ |
|
| QuestionConstruct |
|
| Holds question construct label, position and interviewee | Yes | https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/item-types/QuestionConstruct/ |
|
|
| ConstructName |
| Question construct label e.g. qc_1 |
| https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/item-types/ControlConstruct/ |
|
|
| ConstructLabel |
| Question construct name e.g. 1 |
| https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/item-types/ControlConstruct/ |
|
|
| ResponseUnit |
| The person answering the question |
| https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/item-types/QuestionConstruct/ |
|
|
| QuestionReference |
| Reference to the question |
| https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/item-types/QuestionConstruct/ |
|
| IfThenElse |
|
|
| No | https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/item-types/IfThenElse/ |
|
|
| ConstructName |
| Condition label e.g. c_q1 |
| https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/item-types/ControlConstruct/ |
|
|
| Description |
| Condition text |
| https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/composite-types/CommandCodeType/ |
|
|
| Command |
|
|
| https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/composite-types/CommandCodeType/ |
|
|
|
| ProgramLanguage | Program language logic is in |
| https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/composite-types/CommandType/ |
|
|
|
| CommandContent | Condition logic |
| https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/composite-types/CommandType/ |
|
| LoopWhile |
|
|
| No | https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/item-types/Loop/ |
|
|
| ConstructName |
| Loop label e.g. l_q1 |
| https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/composite-types/CommandCodeType/ |
|
|
| Command |
|
|
| https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/composite-types/CommandCodeType/ |
|
|
|
| ProgramLanguage | Program language logic is in |
| https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/composite-types/CommandType/ |
|
|
|
| CommandContent | Condition logic |
| https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/composite-types/CommandType/ |
|
| StatementItem |
|
|
| No | https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/item-types/StatementItem/ |
|
|
| ConstructName |
| Statement label e.g. s_q1 |
| https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/item-types/StatementItem/ |
|
|
| LiteralText |
| Statement text |
| https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/item-types/StatementItem/ |
| QuestionScheme |
|
|
| Contains the question items | Yes | Container for Question Types |
|
| QuestionItem |
|
| Single question | Yes | https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/item-types/QuestionItem/ |
|
|
| QuestionItemName |
| Question item label e.g. qi_1 |
| https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/itemcomposite-types/QuestionItemStandardKeyValuePairType/ |
|
|
| LiteralText |
| Question text |
| https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/item-types/QuestionItem/ |
|
|
| CodeDomain |
| Code list response domain |
| https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/composite-types/CodeDomainType/ |
|
|
|
| CodeListReference | Reference to the code list |
| https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/composite-types/CodeDomainType/ |
|
|
|
| ResponseCardinality | Number of options a respondent can select |
| https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/composite-types/CodeDomainType/ |
|
|
| NumericDomain |
| Numeric response domain |
| https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/composite-types/NumericDomainType/ |
|
|
|
| Label | Numeric response domain label |
| https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/composite-types/NumericDomainType/ |
|
|
|
| NumericTypeCode | Type of numeric (float or interger) |
| https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/composite-types/NumericDomainType/ |
|
|
|
| NumberRange | Min and max range |
| https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/composite-types/NumericDomainType/ |
|
|
| TextDomain |
| Text response domain max length |
| https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/composite-types/TextDomainType/ |
|
|
|
| Label | Text response domain label |
| https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/composite-types/TextDomainType/ |
|
|
| DateTimeDomain |
| Date response domain |
| https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/composite-types/DateTimeRepresentationBaseType/ |
|
|
|
| Label | Date response domain label |
| https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/composite-types/DateTimeRepresentationBaseType/ |
|
|
|
| DateTypeCode | Date, time or duration |
| https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/composite-types/DateTimeRepresentationBaseType/ |
|
| QuestionGrid |
|
| Matrix of questions | No | https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/item-types/QuestionGrid/ |
|
|
| QuestionGridName |
| Question grid label e.g. qc_1 |
| https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/item-types/QuestionGrid/ |
|
|
| LiteralText |
| Question text |
| https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/item-types/QuestionGrid/ |
|
|
| GridDimension |
| Contains the structure of the matrix and response domains |
| https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/item-types/QuestionGrid/ |
|
|
|
| CodeDomain | Code lists for X and Y axis |
| https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/composite-types/GridDimensionType/ |
|
|
|
| StructuredMixedGridResponseDomain | Contains the response domains attached to the grid |
| https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/composite-types/GridDimensionType/ |
| CategoryScheme |
|
|
|
| Yes | Container for Categories |
|
| CategoryName |
|
| ID of category (auto-generated) |
| https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/item-types/Category/ |
|
| Label |
|
| Category text |
| https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/item-types/Category/ |
| CodeList |
|
|
|
| Yes | Container for CodeLists |
|
| Label |
|
| Code list label |
| https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/item-types/CodeList/ |
|
| Value |
|
| Code value |
| https://ddialliance.github.io/ddimodel-web/DDI-L-3.2/item-types/CodeList/ |