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Colorado State Dept. of Education, Denver. – 1970
This overview of variables lists 17 basic educational outcomes, 13 curricular programs, 7 co-curricular programs, 3 aspects of student behavior sampled by the objectives-referenced test items in the Colorado evaluation project. (For related documents, see TM 003 086, 087.) (KM)
Descriptors: Curriculum, Educational Objectives, Extracurricular Activities, Item Analysis
Myerberg, N. James – 1975
The effect of stratified sampling of items on the estimation of test score distribution parameters by multiple matrix sampling was studied. Item difficulty and/or interitem correlations were the bases of stratification. Various item iniverses were created by computer simulation and sampled according to several plans. The results indicate that…
Descriptors: Computer Programs, Item Analysis, Item Sampling, Matrices
Scheetz, James P.; Forsyth, Robert A. – 1977
Empirical evidence is presented related to the effects of using a stratified sampling of items in multiple matrix sampling on the accuracy of estimates of the population mean. Data were obtained from a sample of 600 high school students for a 36-item mathematics test and a 40-item vocabulary test, both subtests of the Iowa Tests of Educational…
Descriptors: Achievement Tests, Difficulty Level, Item Analysis, Item Sampling