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

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 ...

This article is the latest in the Health Affairs Forefront featured topic Accountable Care for Population Health, featuring analysis and discussion of how to understand, design, support, and measure ...