Research Catalog

Effect of point-in-time in instruction on the measurement of achievement / G. Gage Kingsbury and David J. Weiss.

Title
Effect of point-in-time in instruction on the measurement of achievement / G. Gage Kingsbury and David J. Weiss.
Author
Kingsbury, G. Gage.
Publication
Minneapolis, MN : University of Minnesota. Department of psychology. 1979.

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Additional Authors
  • Weiss, David J.
  • University of Minnesota. Department of Psychology.
Description
27 p.; 28 cm.
Summary
Item characteristic curve (ICC) theory has potential for solving some of the problems inherent in the pretest-test and test-posttest paradigms for measuring change in achievement levels. However, if achievement tests given at different points in the course of instruction tap different achievement dimensions, the use of ICC approaches and/or change scores from these tests is not desirable. This problem is investigated in two studies designed to determine whether or not achievement tests administered at different times during a sequence of instruction actually measure the same achievement dimensions. Results raised questions about the utility of the pretest-test paradigm for measuring change in achievement levels, since a comparison of a ICC parameter estimates indicated that a change in the dimensionality of achievement had occurred within the short (4-week) period of instruction. This change was also observed using a factor analytic comparison. Use of the test-posttest paradigm to measure retention was supported, since a regression comparison of students achievement level estimates did not indicate any significant change in the achievement metric up to 1 month after the peak of instruction. The significance of this result for the use of adaptive testing technology in measuring achievement is described.
Subject
  • Psychology
  • Achievement tests
  • Educational tests and measurements
Note
  • Cover title.
  • Research report 79-4.
  • "August 1979".
  • "This research report was supported by funds from the Navy Personnel ... Approved for public release ..."
Processing Action (note)
  • committed to retain
OCLC
857349050
Owning Institutions
Harvard Library