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Four-Tier Diagnostic Test with Certainty of Response Index to Identify Misconception in Physics

Yuberti Yuberti, Yani Suryani, Indah Kurniawati
Indonesian Journal of Science and Mathematics Education , Volume 3, pp 245-253; doi:10.24042/ijsme.v3i2.6061

Abstract: This study aimed to develop a Four-Tier Test diagnostic test instrument that will be used to identify student misconceptions on work and simple machine topic. This research is a development research using the ADDIE model. The result of the research is a multiple-choice test instrument four-tier diagnostic test with the Certainty of Response Index (CRI) to identify misconceptions. The results of expert validation show that the questions are declared valid. Furthermore, the instrument was tested on grade VIII students of SMP Negeri 1 Kalirejo to determine the level of validity, reliability, difficulty, and differentiation on each item. Of the 20 items developed, 15 of them were declared feasible to identify student misconceptions
Keywords: differentiation / model / certainty / misconceptions / Test Instrument / Item / Declared / Tier Diagnostic Test

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