Nutrition risk screening for community-living seniors is of great interest in the health arena. However, to be useful, nutrition risk indices need to be valid and reliable. The following three studies ...

The validity of dementia diagnostic criteria depends on their ability to distinguish dementia symptoms from pre-existing cognitive impairments. The study aimed to assess inter-rater reliability and ...

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) ...

Spread the love“`html The integrity of scientific research is absolutely vital for advancing knowledge and informing public policy. However, a troubling trend has emerged in recent times: many ...

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 ...