The "GRE"® Psychology test is an achievement test that measures core knowledge in 12 content domains that represent the courses commonly offered at the undergraduate level. Currently, a total score and 2 subscores, experimental and social, are reported to test takers as well as graduate institutions. However, the American Psychological…

Many psychological scales written in the Likert format include reverse worded (RW) items in order to control acquiescence bias. However, studies have shown that RW items often contaminate the factor structure of the scale by creating one or more method factors. The present study examines an alternative scale format, called the Expanded format,…

Confirmatory factor analysis techniques assessed several structural models that have been reported regarding the construct validity of the Piers-Harris Children's Self-Concept Scale. Responses of 885 Black, White, and Hispanic students in grades three-six suggest that the scale's construct validity is a function of content and manner of phrasing.…