There are four types of validity: content validity, criterion-related validity, construct validity, and face validity. When a ...

The purpose of this study was to examine the cross-sectional and longitudinal construct validity (sensitivity to change) of two rotator cuff disease-specific measures, the Rotator Cuff-Quality Of ...

We assessed the construct validity of the items and user’s manual in the β version of the AGREE II. Methods: We designed guideline excerpts reflecting high-and low-quality guideline content for 21 of ...

If we lose our sense of external validity because it is a trickier metric to optimize then psychological research suffers just as much as if we failed to construct solid experiments. This is a ...

Net promoter score (NPS) has emerged over the past two decades as a preeminent tool for tracking marketing performance of organizations, business units, and employees. Introduced by noted business ...