Attribute | Definition | No. of items | Higher scores represent… |
---|---|---|---|
Conceptual and measurement model | The rationale for and description of the concept and the populations that a measure is intended to assess and the relationship between these concepts | 7 | The concept is more clearly stated to be measured. The empirical basis and methods for obtaining the item and for combining them are more appropriate |
Reliability | The degree to which an instrument is free from random error | 8 | More clearly described and superior methods to collect internal consistency data. Better values of Cronbach’s alpha and/or KR-20 coefficients |
Validity | The degree to which the instrument measures what it purports to measure | 6 | More evidence regarding content-related validity of the instrument for its intended use |
Responsiveness | An instrument’s ability to detect change over time | 3 | More clearly described and more appropriate methods to assess sensitivity to change. The estimated magnitude of change is more clearly described, and the results are better |
Interpretability | Possibility of assigning meaning to quantitative scores | 3 | The strategies to facilitate interpretation are more clearly described and appropriate |
Burden | The time, effort and other demands placed on those to whom the instrument is administered (respondent burden) or on those who administer the instrument (administrative burden) | 7 | The skills and time to complete the instrument are more clearly described and acceptable |
Alternative modes of administration | Alternative modes of administration used for the administration of the instrument | 2 | The metric characteristics and use of each alternative mode of administration are specifically described and adequate |