Pengembangan Instrumen Tes Keterampilan Proses Sains pada Materi Fisika untuk Siswa Sekolah Menengah Pertama
DOI:
https://doi.org/10.31571/edukasi.v17i2.1250Keywords:
keterampilan proses sains, optika, tekanan, getaran dan gelombang, science process skills, optics, pressure, vibration and wavesAbstract
Abstrak
Penelitian bertujuan untuk menghasilkan perangkat instrumen penilaian untuk mengukur keterampilan proses sains pada materi optika, tekanan, dan getaran gelombang. Penelitian merupakan penelitian research and development dengan tahapan 4D yang dibatasi hanya menggunakan tiga tahapan yaitu tahap define, design, dan development. Instrumen penelitian berupa angket uji kelayakan soal yang ditujukan kepada validator dan angket respons siswa. Subjek penelitian adalah siswa kelas IX SMP Negeri yang ada di Kecamatan Sungai Kakap yang berjumlah 20 orang. Tes yang dikembangkan berbentuk pilihan ganda beralasan dan essay. Hasil penelitian menunjukkan bahwa: (1) Validitas atau kelayakan instrumen KPS yang dikembangkan berdasarkan pakar adalah valid dan layak digunakan; (2) Validitas butir soal instrumen penilaian KPS yang dikembangkan dengan kriteria valid; (3) Reliabilitas soal dari instrumen KPS sangat kuat untuk soal pilihan ganda materi optika dan getaran gelombang; reliabilitas kuat untuk soal materi tekanan; dan reliabilitas sedang untuk soal essay materi optika, tekanan, dan getaran gelombang; dan (4) Soal-soal yang dikembangkan dalam instrumen penilaian KPS didominasi soal dengan tingkat kesukaran kategori sedang.
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Abstract
The research aims to produce an instrument of assessment to measure science process skills in optical material, pressure and vibration waves. This research is a research and development study with 4D stages that are limited to only using three stages, namely the define, design, and development stages. The research instrument was in the form of questionnaire due diligence questions addressed to students' validators and questionnaires. The subjects were grade IX students of one of the 20 state junior high schools in Sungai Kakap. The developed test is in the form of multiple-choice reasoning and essay. The results of the study show that: (1) The validity or feasibility of the developed KPS instrument is valid and suitable for use; (2) The validity of items from the KPS assessment instruments developed with valid criteria; (3) The reliability of the questions from the KPS instrument is very strong for the matter of multiple-choice optical material and wave vibrations; strong reliability for matter of pressure material; and moderate reliability for optical material, pressure, and wave vibration essays; and (4) Questions developed in the KPS assessment instrument are dominated by problems with difficulty level medium category.
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