Those of us in the business of psychological measurement use the terms reliability and validity a lot. You've probably seen those terms on the Psychology Today website (they appear thousands of times) ...

1. What is the difference between the reliability and validity of a measurement? The validity of a measure is the extent to which differences in scores on the instrument reflect true differences among ...

In everyday language, the term validity is typically used to describe something as being trustworthy or legit. It's meaning ...

Continuity of care is essential to the clinician/patient relationship within family medicine. However, researchers have few ways to track continuity of care as a measurement of clinical quality.

This is a preview. Log in through your library . Abstract Background: Few comprehensive systems are available for assessing and reporting the overall health of pre-school children. Objectives: (i) To ...

PALO ALTO, Calif., March 10, 2025--(BUSINESS WIRE)--Verantos, the global leader in high-validity real-world evidence at scale, today announced the publication "Implementing Accuracy, Completeness, and ...

In my previous blog post, I noted that reliability and validity are two essential properties of psychological measurement. Measures of intelligence, personality, vocational interests, and so forth ...