K. Arafah, B.D. Amin, S.S. Sari, A. Hakim
This study aims to determine the characteristics of the test instruments in the mechanics of SMA to measure higher order thinking skills. This study also aims to see the validity, reliability, level of difficulty, and differentiation of items using the classical theory approach. This study adapted the development model from Mardapi. The items developed were tested on 114 students at one of High School in Makassar, South Sulawesi. The results show that the items that have been developed have content validity with a coefficient of 0.860. Of the 35 test items developed, there were 7 invalid items, with a test reliability of 0.593. The proportion of item difficulty level has the distribution of 0% hard items,74.3% medium items, and 25.7% easy items. The distinguishing power of test items has shown good criteria. © 2021 Published under licence by IOP Publishing Ltd.
Physics Department, Universitas Negeri Makassar, Jl. Daeng Tata Raya, Makassar, Indonesia
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