Abilitas Komposit dalam Tes Potensi

Azwar, Saifuddin and Ridho, Ali (2013) Abilitas Komposit dalam Tes Potensi. Jurnal Psikologi, 40 (2). pp. 127-142. ISSN 0215-8884

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Abstract

When a unidimensionality assumption has been actually violated, interpretation of test scores might be jeopardized. It couldn’t be overemphasized in case of high-stake exams such as PAPs UGM (academic potentiality test for UGM graduate student candidates) which was supposed to reflect a composite ability. This study aimed at revealing item characteristics of PAPs A-1 Series based on UIRT and MIRT and discovering dimensionality of the three subtests of the test. Scores of subject (n=2035) on the 3 subtests were analysed and the results showed that 27 items (10 of Verbal, 8 of Kuantitatif, and 9 of Penalaran) were flagged for having r bis of less than 0.25 and 6 other items for having abnormally high pseudo-guessing parameters. Dimensionality analyses found out that Penalaran subtest was local-dependent while Verbal and Kuantitatif subtests both were local-independent. In addition, MIRT analyses failed to fully describe item characteristics of the test due to effect of interaction among probabilities of correct response of the three subtests.

Item Type: Journal Article
Keywords: dimensionality; PAPs UGM; MIRT; UIRT
Subjects: 17 PSYCHOLOGY AND COGNITIVE SCIENCES > 1701 Psychology > 170103 Educational Psychology
Divisions: Faculty of Psychology
Depositing User: Dr. Ali Ridho
Date Deposited: 29 Apr 2017 23:27

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