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) ...

Consumer Reports receives a wide range of questions from enthusiasts and the auto industry looking for a deeper understanding of the methodology used in the reliability section of our latest Annual ...

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 ...