Journal of Educational Measurement, Vol. 38, No. 4, Measurement Update for the 21st Century (Winter, 2001), pp. 343-368 (26 pages) Cognitive psychology principles have been heralded as possibly ...

An attempt is made to explicate the meaning of construct validity. Operational issues in the process of construct validation are investigated. A subset of "JMR" studies involving construct validation ...

1. What is the difference between the reliability and validity of a measurement? The validity of a measure is the extent to which differences in scores on the instrument reflect true differences among ...

Emotional eating, defined as eating in response to a range of negative emotions, is common in youths. Yet, there are few easily administered and well-validated methods to assess emotional eating in ...

Background: Disease-specific Quality Of Life (QOL) measures are devised to assess the impact of a specific disease across a spectrum of important domains of life. The purpose of this study was to ...

Convergent validity examines the extent to which the outcome of interest agrees with the result of another measure that is believed to be assessing the same attribute. The cross-sectional convergent ...