ITEM CHARACTERISTIC CURVE SOLUTIONS TO THREE INTRACTABLE TESTING PROBLEMS1

Authors


  • 1

    A shorter version of this paper was presented at the annual meeting of the National Council on Measurement in Education, San Francisco, April 1976. The research reported here was supported by the College Entrance Examination Board through its testing and research programs. The author wishes to thank Frederic Lord for assisting generally with the studies and James Braswell, Chaur Chen, and Marilyn Wingersky for coordinating specific aspects of the work described here.

MARCO, GARY L. Address: Educational Testing Service, Princeton, NJ 08540. Title: Director, Statistical Analysis, College Board Programs. Degrees: B.A. Midland Lutheran College, M.A. University of Nebraska, Ph.D. University of Illinois. Specialization: Applied Statistics; Measurement.

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