Development of Instrument Assessment for Learning the Polytomous Response Models to Train Higher Order Thinking Skills (HOTS)

This study aims to determine the validity, practicality, and effectiveness of the assessment for learning instrument polytomous response model to train higher order thinking skills. This research method is based on research and development (R & D) adapted from Gall, et al. with development steps, namely research and information collection, planning, initial product development, limited trials, initial product revisions, field trials, and final product revisions. Data sources in this development are students and high school class X teachers in Lampung province. The instruments used are questionnaires and test instruments. Data analysis techniques using validity test, practicality test, and N-gain test. Research shows that the assessment for learning instrument polytomous response model to train higher order thinking skills as a reliable value of 0,91; the instrument's validity value is 0,82; the practicality value of the instrument is 0,82, and the instrument effectiveness value is 0,74. It can be concluded that the product developed is an assessment for learning an instrument of polytomous response model which has very high validity, very high practicality, and high effectiveness in training higher order thinking skills.