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) ...

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 ...

Diagnostics, self-monitoring and digital communication detect flowmeter issues, provide insight Accurate flow measurement is the backbone of chemical process optimization. Today’s flowmeters are being ...

This is the second in a series of articles about impact measurement for social entrepreneurs. Social entrepreneurs who are serious about having impact or about attracting capital from sophisticated ...