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Direct linkAndrich, David; Marais, Ida; Humphry, Stephen – Journal of Educational and Behavioral Statistics, 2012
Andersen (1995, 2002) proves a theorem relating variances of parameter estimates from samples and subsamples and shows its use as an adjunct to standard statistical analyses. The authors show an application where the theorem is central to the hypothesis tested, namely, whether random guessing to multiple choice items affects their estimates in the…
Descriptors: Test Items, Item Response Theory, Multiple Choice Tests, Guessing (Tests)
Chiesi, Francesca; Ciancaleoni, Matteo; Galli, Silvia; Primi, Caterina – Psychological Assessment, 2012
This article is aimed at evaluating the possibility that Set I of the Advanced Progressive Matrices (APM-Set I) can be employed to assess fluid ability in a short time frame. The APM-Set I was administered to a sample of 1,389 primary and secondary school students. Confirmatory factor analysis attested to the unidimensionality of the scale. Item…
Descriptors: Factor Analysis, Evidence, Item Response Theory, Secondary School Students
