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 ...

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 pattern of correlations between the two instruments largely confirmed hypothesized associations from literature review and item content analysis, hence supporting convergent and discriminant ...

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 ...

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 ...