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 ...

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 ...

Big state and national tests always require finely tuned coordination among researchers and schools. During the pandemic, large-scale assessments could become a complicated mess—if they can be pulled ...

Many people take personality tests to learn about themselves. Of course, the tests only mirror what we think about ourselves, but the results can give a unique perspective on our traits. First, a good ...

EVERETT — A state Supreme Court ruling last week ended two years of confusion over the validity of alcohol breath tests in court cases — a case that sparked worry in Snohomish County over its impact ...