Smart scales track changes in your muscle mass, body fat percentage and other health metrics — but how do they work?

There is extensive literature on the development and validation of multi-item measurement scales. Much of this is based on principles derived from psychometric theory and assumes that the individual ...

Proper measurement is critical to the advancement of theory (Blalock 1979). Adaptive Structuration Theory (AST) is rapidly becoming an important theoretical paradigm for comprehending the impacts of ...

Is a numerical rating scale preferable to a verbal rating scale in the measurement of subjective pain intensity in cancer patients?

Body fat scales are devices that estimate the relative percentages of fat and muscle inside the body. Read on to learn about how they work and their accuracy.

Objective: To identify self-reported sport concussion symptom scales and to describe the psychometric properties of these identified scales. Design: Systematic review. Intervention: PubMed, Medline, ...

Harvard exhibit weighs in on history of colonial measurements Maps, scales and other tools tell of Europeans’ attempts to make sense of race, geography and the novel plants and landscapes in the ...