Implementation of STEM-Integrated Problem Based Learning to Improve Students’ Problem Solving Skills in Liquid Pressure
Abstract
Abstract This research aims to describe the skills of students through the application of STEM-integrated Problem Based Learning on liquid pressure. The subjects of this study were 30 public junior high school students in Surabaya. The type of research was quantitative research. The research design is a quasi-experimental. The research instrument used was a problem-solving skills sheet with indicators: making plans, implementing plans and reviewing results. The data analysis technique used consists of: 1) prerequisite test 2) Independent t test and 3) n-gain. The results of the recapitulation of the n-gain category can be seen that 28 students got high selection and 2 students got medium selection. Based on the results obtained, it shows that the STEM-integrated Problem Based Learning has an effect on students' problem-solving skills.
Keywords problem solving skills, problem based learning, STEM.
Abstrak Penelitian ini bertujuan untuk mendeskripsikan keterampilan pemecahan masalah peserta didik melalui penerapan Problem Based Learning berbasis STEM pada materi Tekanan zat cair. Subjek penelitian ini berjumlah 30 peserta didik SMP Negeri di Surabaya. Jenis penelitian yang digunakan adalah penelitian kuantitatif dan diolah menggunakan metode statistik. Desain penelitian ini adalah quasi eksperiment. Instrumen penelitian yang digunakan berupa lembar tes keterampilan pemecahan masalah dengan indikator: menyusun rencana, melaksanakan rencana dan melihat kembali hasil. Teknik analisis data yang digunakan terdiri dari 1) Uji prasyarat 2) Uji t saling bebas dan 3) N-gain. Hasil rekapitulasi kategori N-Gain dapat dilihat bahwa 28 peserta didik mendapat kriteria tinggi dan 2 peserta didik mendapat kriteria sedang. Berdasarkan hasil yang diperoleh tersebut menunjukkan bahwa model pembelajaran Problem Based Learning terintegrasi STEM berpengaruh dalam keterampilan pemecahan masalah peserta didik.
Kata kunci keterampilan pemecahan masalah, problem based learning, STEM.
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