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Power Scores Estimated by Item Characteristic Curves

Author(s):
Lord, Frederic M.
Publication Year:
1972
Report Number:
RB-72-46
Source:
ETS Research Bulletin
Document Type:
Report
Page Count:
12
Subject/Key Words:
National Science Foundation (NSF), Item Response Theory, Mathematical Models, Probability, Scores, Standardized Tests, Timed Tests

Abstract

A method for estimating power scores is described. By way of illustration, it is applied to 21 students who were improperly timed on a standard test. Some empirical results are given in support of the estimation procedures. (Author) (12pp.)

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