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 ...

Standard errors of measurement of scale scores by score level (conditional standard errors of measurement) can be valuable to users of test results. In addition, the Standards for Educational and ...

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 ...