Abstract
This study aims to analyze the validity of conceptual knowledge test on mechanics topic. The research method used four stages that was Preliminary Research, Prototyping Stage, Summative Evaluation, Systematic Reflection and Documentation. This article report is focused on preliminary research and prototyping stage that is to arrange conceptual knowledge test and analyze validity of test by Content Validity Ratio (CVR) method. Based on the data analysis, it was concluded that the test was valid and feasible to use on students.
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