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) ...

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.

Investigators tested a new healthcare tool in accurately assessing the health and well-being of children with Down Syndrome.

Most time-series research fails to consider measurement issues that are addressed regularly in cross-sectional research designs. However, to measure specified constructs in time-series research, ...

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 ...