KELAYAKAN INSTRUMEN PENGEMBANGAN PENILAIAN HIGHER ORDER THINKING SKILLS SISWA SMA PADA MATERI EKOSISTEM

This study on Higher Order Thinking Skills (HOTS) assessment employed Borg and Gall (1983)’s modified Research and Development (R&D). The purpose of this study was to determine the feasibility of HOTS assessment instruments on ecosystem material. The sample of development included 4 validating experts, 40 students in limited test, 140 students in field test using Higher Order Thinking Skills (HOTS) assessment. Data analysis was carried out using Quest program. The result of research showed that (1) the characteristics of Higher Order Thinking Skills (HOTS) assessment was developed based on, among others, Anderson and Krathwohl’s indicator of higher-order thinking skill in ecosystwith validity and reliability interpreting as having very high mean, at least low in ecosystem material.The results of the validation of the instrument of assessment instrument in each expert validator are having a good content and concept validation to be applied in school, of course after the revision.