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Samejima, Fumiko; Trestman, Robert L. – 1980
The first step of the data analysis with respect to the eventual application of the various new methods in latent trait theory is here initiated. The data are a set of approximately 500 item responses of each of 7,439 examinees to the Iowa Tests of Basic Skills, Form 6, on one of three difficulty levels, which correspond to the ages of 11, 12 and…
Descriptors: Achievement Tests, Data Analysis, Goodness of Fit, Junior High Schools
Download full textMyerberg, N. James; And Others – 1978
Results are presented, in the form of an annual report, of the standardized test performance of elementary and secondary school students in the Montgomery County Public Schools (MCPS), Rockville, Maryland. This year, as in the past, the report includes an update of the historical record of countywide test results on the Iowa Tests of Basic Skills…
Descriptors: Academic Achievement, Achievement Tests, Annual Reports, Cognitive Ability
