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Simplex Analyses of the Test Data: What Can They Tell Us?

Frayer, Dorothy A. – 1971

A Paradigm for testing concept attainment, comprised of twelve tasks, was formulated. These tasks were hypothesized to form a cumulative hierarchy. Tests were constructed in mathematics and social studies using the paradigm. Data for these tests was analyzed by Kaiser's method for fitting a perfect simplex and Schonemann's method for fitting a…

Descriptors: Concept Formation, Correlation, Data Analysis, Error of Measurement

The Use of Rasch Logistic Scaling Procedures in the Development of Short Multi-Level Arithmetic Achievement Tests for Public School Measurement.

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Forbes, Dean W. – 1976

Rasch calibration permitted the development of short achievement tests that were economical in testing time, and could be developed in a series of difficulty levels to suit student individual differences. Furthermore, these tests were of adequate reliability for practical educational measurement when individual students were assigned to tests of…

Descriptors: Academic Ability, Achievement Tests, Classification, Elementary Education