Nurhudaya, Agus Taufik, Eka Sakti Yudha, Dodi Suryana
The study aimed to evaluate the Advanced Progressive Matrices (APM) with a Rasch analysis to enhance the precision of the instrument. Accurate assessment of a student potential ability is essential for the timely provision of guidance and counseling support. The Advanced Progressive Matrices (APM) is an ordinal measure possessing acceptable psychometric properties, but its ability to discriminate precisely between individual potential levels has not been rigorously investigated. The quantitative approach involved respondent of 12,343 students in West Java, Indonesia. The data analysis used the partial credit Rasch model. This study uses Raven's Advanced Progressive Matrices instruments. The results of this study which are achieved through Initial analysis supported the use of the Rasch model and acceptable reliability (Alpha Cronbach= 0.85) was observed. Person reliability is 0.86, item reliability is 1.00. Local dependency between items through the creation of super-items increased model fit, person separation index = 2.35, and unidimensional. In fit and outfit statistics, all items satisfied the criterion for construct validity. Almost all items except 17, 21, and 36 had suitable point-measurement correlation, reflecting content validity. Item characteristic curves indicated that roughly 36 items were evenly distributed along the person ability continuum. The modified APM showed excellent reliability for a measure in assessing the overall potential ability of the students. The item would be added related to the person ability estimates. And several items should be omitted to ensure construct validity. Practically, APM is still relevant to assess the potential ability. Copyright©2019 by authors, all rights reserved.
Department of Guidance and Counseling, Universitas Pendidikan Indonesia, Indonesia
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