PENGEMBANGAN INSTRUMEN TES DIAGNOSTIK TINGKAT KONSEPSI PESERTA DIDIK PADA MATERI VEKTOR

Rahmawati Sasani

Abstract


This study aims to develop a diagnotic test instrument for assessing students’ conceptual understanding of vector. The test items developed are multiple-choice question with 5 options. This reaserch used Research and Development (R&D) method. The development stage was instrument constructin, expert validity, and limited scale tryout. The instrument was tested for validity, reability, discriminating power, difficulty level, and distractor. The limited scale tryout subjects were 23 student on 11th grade senior high school. The results show that, out of 10 available items, 7 items are suitable but require revisions before being used. This is indicated by the reability test results (Alpha Cronbach Score), which are still in the poor category.

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DOI: http://dx.doi.org/10.62870/nebula.v1i1.30204

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