The Development of E-Worksheet “Diversity of Ferns” Based on a Scientific Approach to Train Students' Critical Thinking Skills
Keterampilan berpikir kritis merupakan salah satu keterampilan penting pada abad ke-21 dan sangat dibutuhkan peserta didik. Pendekatan saintifik dapat dimanfaatkan untuk proses belajar mengajar guna melatihkan keterampilan berpikir kritis peserta didik menggunakan bahan ajar berbasis elektronik. Tujuan penelitian yakni menghasilkan E-LKPD keanekaragaman tumbuhan paku-pakuan berbasis pendekatan saintifik untuk melatih keterampilan berpikir kritis yang valid, praktis, dan efektif. Metode penelitian yaitu menerapkan model pengembangan 4D (Define, Design, Develop, dan Disseminate). Produk E-LKPD yang dihasilkan diujicobakan kepada 20 orang peserta didik kelas X di MAN 2 Gresik. Parameter penelitian dalam pengembangan E-LKPD ini meliputi validitas berdasarkan penilaian ahli, kepraktisan berdasarkan keterlaksanaan E-LKPD, serta keefektifan berdasarkan ketercapaian keterampilan berpikir kritis dan respons peserta didik. Instrumen penelitian berupa instrumen penilaian validasi, lembar observasi keterlaksanaan, soal tes keterampilan berpikir kritis, dan angket respons peserta didik. Data dianalisis secara deskriptif kuantitatif. Hasil analisis menunjukkan bahwasanya E-LKPD mendapatkan validitas senilai 3,97 (sangat valid), kepraktisan senilai 97,29% (sangat baik), dan keefektifan ditinjau dari ketercapaian keterampilan berpikir kritis indikator interpretasi, analisis, evaluasi, dan eksplanasi secara berurutan senilai 85%, 85%, 100%, dan 100% (sangat baik), serta respons positif peserta didik senilai 98,82% (sangat baik). Dengan demikian, E-LKPD ini dinyatakan valid, praktis, dan efektif, sehingga layak diterapkan untuk melatihkan keterampilan berpikir kritis peserta didik.
Kata Kunci: berpikir kritis, pendekatan saintifik, E-LKPD, keanekaragaman, tumbuhan paku
Critical thinking skills is a crucial competency for the 21st century and is essential for students. The scientific approach can be applied in the teaching and learning process to train students' critical thinking skills through electronic-based teaching materials. This research aims to create an e-worksheet on the diversity of ferns using a scientific approach to train critical thinking skills that are valid, practical, and effective. The research method is applying the 4D development model (Define, Design, Develop, and Disseminate). The e-worksheet product was tested on a limited basis with 20 students from class X-1 at MAN 2 Gresik. Research parameters in developing the E-worksheet include the validity based on expert assessments, the practicality based on its implementation, and the effectiveness based on the achievement of critical thinking skills and student responses. Research instruments include validation assessment instruments, implementation observation sheets, critical thinking assessments, and student response questionnaire. Data analysis was conducted descriptively and quantitatively. The analysis results indicate that the E-worksheet’s validity is 3.97 (very valid), its practicality is 97.29% (very good), and its effectiveness in terms of the achievement of critical thinking skills, indicators of interpretation, analysis, evaluation, and explanation respectively worth 85%, 85%, 100%, and 100% (very good), as well as positive responses from students worth 98.82% (very good). Thus, this E-worksheet is declared valid, practical, and effective, so it is suitable to be applied to train students' critical thinking skills.
Keywords: critical thinking, scientific approach, E-worksheet, diversity, ferns