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.

One in an occasional series looking at the culture of testing. No Child Left Behind, President Bush's signature education law, requires that millions of students across the country be tested annually ...