Data extracted | Description |
---|---|
Study characteristics | Study aims |
 | Study design (categorized as experimental, observational, instrument development, model development) |
 | Setting in which the instrument was used |
Instrument source | Name of instrument |
 | Source paper for the instrument as cited by the authors |
Instrument purpose | Purpose for which the instrument was used (descriptive, predictive or diagnostic, outcome measure/evaluative) |
Instrument format | Number of items |
 | Response scale (Likert, ipsative, etc.); response options |
Instrument content and theoretical basis | Constructs and dimensions measured |
 | Definitions of the constructs; additional description of the content required to illustrate how the construct had been operationalised (e.g., sample items) |
 | Theoretical basis of the instrument and references cited for the theory |