THE ESTIMATION OF INQUIRY PERFORMANCE TEST ITEMS OF HIGH SCHOOL PHYSICS SUBJECT WITH QUEST PROGRAM

Abstrak / Ringkasan

This paper is aimed to determine the results of the parameter estimation of inquiry
performance test item of high school physics subjects with polytomous pattern using the QUEST
program. The estimation of the item test based on the item response theory (IRT) by applying the model
of Partial Credit Model (PCM ) on the student's response of inquiry performance test. The estimation
included fit model the PCM, and the estimation of test items difficulties level. Based on the estimation of
test items parameters on the IRT according to the model of PCM known that the items of inquiry
performance test have an INFIT scale of MNSQ between 0.77 to 1.30 thus meet the fit criteria with PCM
models, and test item difficulties fulfilling the criteria of a good test item because of the test item
difficulties in the range of -2 < b < +2.

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