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 ...

The validity of two lifestyle typologies, SRI's Values and Lifestyles system and the Lastovicka et al. Drinking-Driving typology, are examined empirically. Each typology is measured by three methods.

Most time-series research fails to consider measurement issues that are addressed regularly in cross-sectional research designs. However, to measure specified constructs in time-series research, ...

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 ...

OBJECTIVE: We studied the validity and reproducibility of a new abdominal ultrasound protocol for the assessment of intra-abdominal adipose tissue. MEASUREMENTS: Intra-abdominal adipose tissue was ...