Comparison of the Estimated Item Parameters of Shiba's Word/Phase Comprehension Tests Obtained by LOGIST 5 and Those by the Tetrachoric Method.
TENNESSEE UNIV KNOXVILLE
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Stimulated by Lords suggestion that LOGIST 5 can be used for equating even when the number of linking items is small, it was tested on Shibas WordPhrase Comprehension Test data. Combinations of four tests and two tests, and also a single test with different numbers of examinees, were chosen, for which LOGIST 5 was applied. The resultant estimated item parameters were compared with those obtained by the tetrachoric method. Some consistency was found in the results of certain tests in preference to those of certain other tests. Keywords charts tables data psychological tests. Author