From: Systematic review of the measurement properties of indices of prenatal care utilization
Internal Consistency | Interrelatedness among items. |
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Reliability | The consistency with which different examiners (inter-rater) or two administrations (test-retest) of a test produce similar ratings in an instrument. |
Content Validity | Degree to which an instrument includes all the necessary items to represent the concept to be measured. |
Criterion-related: Predictive Validity | The extent to which results of a particular instrument compare with an outcome assessed at a later time. |
Criterion-related: Concurrent Validity | The degree to which measurement results are an adequate reflection of another assessment/criterion. |
Responsiveness | The ability of an instrument to detect change over time in the construct to be measured |