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Download full textNovak, Carl D. – 1974
This study involving 352 students was designed to verify empirically the a priori use of multiple matrix sampling procedures in an elementary school using a nationally normed, commercizlly published achievement test. The study focused on effect of changes in item context, effect of previous exposure to items, and relative effectiveness of multiple…
Descriptors: Academic Achievement, Achievement Tests, Analysis of Variance, Comparative Analysis
Cahen, Leonard S.; And Others – 1970
The accuracy of estimating test means for groups of twelfth-grade students by the item-sampling technique was examined. The subjects were from 35 twelfth-grade schools participating in the National Longitudinal Study of Mathematical Abilities. Half of the students in each school were assigned to a treatment condition where they took a complete…
Descriptors: Academic Achievement, Analysis of Variance, Comparative Analysis, Comparative Testing
