A brief introduction to unified test theory.
This article introduces McDonald's unified treatment of test theory, which merges the major contributions of Spearman (True Score Theory and Common Factor Theory) with aspects of Item Response Theory. The fundamentals are first presented. followed by elaboration of selected aspects of the treatment. An SAS program is given that estimates relevant parameters.
Becker
Gilbert
G
Department of Psychology, University of Winnipeg, MB, Canada. g.becker@uwinnipeg.ca
D004521:Educational Measurement; D006801:Humans; D008960:Models, Psychological; D011582:Psychological Theory