PENGEMBANGAN PERFORMANCE ASSESMENT UNTUK MENGUKUR KETERAMPILAN PROSES SAINS SISWA SMA KELAS X MELALUI PRAKTIKUM MOMENTUM DAN IMPULS
Penelitian ini bertujuan untuk mengembangkan seperangkat asesmen kinerja pengukur keterampilan proses sains siswa yang valid dan reliabel pada praktikum momentum dan impuls. Penelitian ini merupakan jenis penelitian research and development dengan tipe rancangan Borg and Gall. Penelitian ini dilakukan dengan empat tahap, yaitu: 1) tahap penelitian dan pengumpulan data, 2) tahap perencanaan, 3) tahap pengembangan, dan 4) tahap uji lapangan. Uji kelayakan dari pengembangan Performance Assessment untuk mengukur Keterampilan Proses Sains (KPS) memperoleh nilai kelayakan sebesar 81% pada validasi ahli, 72,22% pada hasil observasi, 67% dari hasil tes KPS, dan 87,78% pada hasil asesmen kinerja. Pengembangan Performance Assessment untuk mengukur Keterampilan Proses Sains mendapatkan respon positif sebesar 83% dari guru dan 81% repon positif dari siswa. Berdasarkan hasil penelitian, dapat disimpulkan perangkat penilaian kinerja keterampilan proses sains ini layak digunakan. Kata Kunci: Instrumen Tes Keterampilan Proses Sains, Performance Assessment, Momentum dan Impuls This study aims to develop a set of Performance Assessment that measuring validity and reliability of students science process skills in momentum and impulse practice. This study is a “research and development” research with Borg and Gall design types. The research was conducted by three stages, namely: 1) The need assessment, 2) Planning, development, and 3) field testing. Feasibility test of the performance assessment set to measure Students Science Process Skills (SPS) obtained a percentage of expert validation at 81%, observation at 72.22%, the test results SPS at 67%, and the Performance Assessment results at 87.78%. Development of Performance Assessment for measuring Science Process Skills had the positive response of teachers at 83% and positive response of students at 80%. It can be concluded Performance Assessment set for students science process skills is feasible. Keywords: Test instrument of Science Process Skills, Performance Assessment, Momentum and Impulse