In everyday language, the term validity is typically used to describe something as being trustworthy or legit. It's meaning in psychology suggests something similar—it's all about whether we can trust ...

The first reason for caring about how sensitive our standardized tests are to instruction is moral. If the tests we use to judge the effects of instruction on student learning are not sensitive to ...

The controversial high-stakes test that debuted last spring accurately measures a student’s mastery of tough new educational standards, a report released Tuesday found, paving the way for its use in ...

In a recent warning letter, the Food and Drug Administration (FDA) advised a laboratory to seek marketing authorization for its genetic tests that qualified as laboratory developed tests (LDTs)—which ...

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 ...

The future of testing for human growth hormone is shaping up to be a contentious issue in negotiations between the NFL and the players’ union. The league supports blood-based testing while the union ...