psychometric properties
Statistical characteristics of assessment instruments including validity, reliability, and responsiveness to change.
Full Definition
Psychometric properties refer to the measurable characteristics that determine the quality and utility of psychological assessment instruments and rating scales. Key properties include validity (whether the instrument measures what it claims to measure), reliability (consistency of measurement), sensitivity (ability to detect change), specificity (ability to avoid false positives), and responsiveness (capacity to detect clinically meaningful change over time). In psychiatric research, robust psychometric properties are essential for regulatory acceptance of outcome measures and for ensuring that clinical trial results are scientifically credible.
Usage
Usage note: Use as plural noun; singular form 'psychometric property' when referring to a specific characteristic.
In Context
- "The scale demonstrated strong psychometric properties with excellent internal consistency (α = 0.92)." — Validation study manuscript
- "Regulatory agencies require evidence of adequate psychometric properties for all primary efficacy endpoints." — Clinical trial protocol