University of Illinois Physics Professor Paul Kwiat and members of his research group have developed a new tool for precision measurement at the nanometer scale in scenarios where background noise and ...

The aim of this study is to assess the effective measurement range of Ryff's Psychological Well-being scales (PWB). It applies normal ogive item response theory (IRT) methodology using factor analysis ...

Two methods of constructing equal-interval scales for educational achievement are discussed: Thurstone's absolute scaling method and Item Response Theory (IRT). Alternative criteria for choosing a ...

Physicists have measured Albert Einstein's theory of general relativity, or more specifically, the effect called time dilation, at the smallest scale ever, showing that two tiny atomic clocks, ...

Over five years after the release of the Body Cardio (and one flirtation with Nokia later), French company Withings has released its far most technologically advanced connected scale yet, the Body ...

The number on the scale does not tell the whole story. Your body weight does not account for your body fat, muscle mass and bone density, and will not tell how much of it is due to water retention or ...

How do you evaluate a movie? Opposing IMDb and Rotten Tomatoes, I believe there can’t be a unifying objective scale to measure films on. That’s because everyone has their own way of evaluation and ...