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) ...

Chip reliability is coming under much tighter scrutiny as IC-driven systems take on increasingly critical and complex roles. So whether it’s a stray alpha particle that flips a memory bit, or some ...

Science has provided an increasingly clear picture of the inherent limits in human visual perception and memory that can lead to errors in eyewitness identification. While the law enforcement ...

Benchmark scores are one way to measure the performance of your PC, but they don't tell the full story. Windows also has a rather annoying habit of burying important information under layers of menus ...

But what are reliability and validity exactly, how do we assess reliability and validity, and why are these properties of psychological tests so crucially important? In this and a following blog post, ...