Instrument

This page is still under construction.

This refers to the data collection instrument used e.g. a questionnaire. It can have a one to many relationship with the Data Collection, as each instrument can used more than once.

Please refer to the CLOSER GitHub page for more information.

Fields			Description	Required	Repeatable
Instrument			Holds information about the instrument (usually a questionnaire)	Yes	Yes
	Agency		The DDI agency identifier for the metadata e.g. uk.alspac, uk.cls.mcs	Yes	No
	InstrumentName		Title of the instrument	Yes	No
	ControlConstruct			Yes	No
		Sequence	Section headings	Yes	Yes
		QuestionConstruct		Yes	No
		IfThenElse		Yes	No
		Loop		Yes	No
		StatementItem		Yes	No
	Question

	Version		Version number	Yes	No