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Peer reviewedvan der Linden, Wim J.; Luecht, Richard M. – Psychometrika, 1998
Derives a set of linear conditions of item-response functions that guarantees identical observed-score distributions on two test forms. The conditions can be added as constraints to a linear programming model for test assembly. An example illustrates the use of the model for an item pool from the Law School Admissions Test (LSAT). (SLD)
Descriptors: Equated Scores, Item Banks, Item Response Theory, Linear Programming
Allen, Nancy L.; And Others – 1992
Many testing programs include a section of optional questions in addition to mandatory parts of a test. These optional parts of a test are not often truly parallel to one another, and groups of examinees selecting each optional test section are not equivalent to one another. This paper provides a general method based on missing-data methods for…
Descriptors: Comparative Testing, Estimation (Mathematics), Graphs, Scaling
Download full textMarco, Gary L.; And Others – 1990
Data from the College Board Validity Study Service show that the average multiple correlation of the Scholastic Aptitude Test (SAT) with college grades peaked in 1974 and then tended to decline. Data from other sources also estimate a small average decline from 1974 to 1985. This study documented changes in the SAT and related these changes to…
Descriptors: Change, College Entrance Examinations, Correlation, Educational Trends
Dirir, Mohamed A. – 1995
The effectiveness of an optimal item selection method in designing parallel test forms was studied during the development of two forms that were parallel to an existing form for each of three language arts tests for fourth graders used in the Connecticut Mastery Test. Two listening comprehension forms, two reading comprehension forms, and two…
Descriptors: Elementary School Students, Grade 4, Intermediate Grades, Item Banks
Phillips, Gary W.; Huynh, Huynh – 1985
A procedure which may be used to project the frequency distribution of one test onto that of another test is described and illustrated. The procedure is useful when a test developer wishes to construct an alternate form with preferred distributional characteristics. For example, the test developer may wish to construct a new test form with a…
Descriptors: Achievement Tests, Elementary Secondary Education, Item Analysis, Item Banks
Alberta Dept. of Education, Edmonton. Student Evaluation and Data Processing Branch. – 1986
This document reports the provincial results of the June 1986 student achievement tests in Alberta in grade 3 mathematics, grade 6 science, and grade 9 English language arts. The achievement tests are specific to the program of studies prescribed by the Minister of Education. The document starts with general information about the testing program…
Descriptors: Achievement Tests, Elementary Secondary Education, Foreign Countries, Grade 3
