Pengembangan E-Book Berbasis Inkuiri Terbimbing pada Materi Pertumbuhan dan Perkembangan Tumbuhan untuk Melatihkan Kemampuan Berpikir Kritis Siswa Kelas XII SMA

Development  Of Guided Inquiry Based E-Book in Plant Growth and Development Topic  to Train Critical Thingking Skill of 12^th Grade Students in Senior High School

            Abstrak

Pendidikan di Indonesia sedang menjalankan sistem pembelajaran jarak jauh salah satunya secara online akibat pandemi Covid-19. Hal tersebut seolah mendukung era revolusi industri 4.0. Oleh karena itu bahan ajar seperti e-book dirasa sesuai untuk mendukung pembelajaran jarak jauh karena dikemas dalam bentuk file atau alamat URL dilengkapi fitur teks, tabel gambar, audio dan video. Penelitian pengembangan dilakukan dengan tujuan menghasilkan e-book berbasis inkuiri terbimbing pada materi Pertumbuhan dan Perkembangan Tumbuhan yang valid untuk  melatih kemampuan berpikir kritis peserta didik. Penelitian menggunakan model pengembangan 4D yakni (Define, Design, Develop, dan Diseminate) tanpa tahapan diseminate. Penilaian validitas e-book dilakukan oleh tiga validator yang terdiri dari dosen ahli materi, dosen ahli pendidikan, dan guru biologi. Pengambilan data kepraktisan e-book dilakukan dengan uji keterbacaan menggunakan Grafik Fry, dan tingkat kepraktisan e-book diambil dari respon berbagai praktisi yakni, tiga belas peserta didik kelas XII IPA dan tiga guru dari sekolah yang berbeda. Analisis data dilakukan dengan teknik deskriptif kuantitatif. Hasil rata-rata validitas e-book sebesar 95% dengan kategori sangat valid. Kepraktisan e-book juga ditunjang oleh hasil uji keterbacaan pada level 12 dengan persentase rata-rata respons positif peserta didik sebesar 97,43% dan persentase rata-rata respons positif guru biologi sebesar 95,56% yang tergolong dalam kategoti sangat praktis. Berdasarkan hasil analisis disimpulkan bahwa e-book berbasis inkuiri terbimbing pada materi pertumbuhan dan perkembangan tumbuhan untuk melatihkan kemampuan berpikir kritis dinyatakan valid dan praktis untuk digunakan dalam proses pembelajaran.

Kata Kunci : E-book, pertumbuhan dan perkembangan tumbuhan, inkuiri terbimbing, berpikir kritis.

Abstract

Education in Indonesia implementing an distance learning one of which is online system because Covid-19 pandemic. This as if to support the era of the industrial revolution 4.0. Therefore, teaching materials such as e-books is accordance with distance learning because it’s packaged in the form of a file or URL address with features of the text, tables, images, audio, and video. Development research was carried out with the aim of producing a valid guided inquiry e-book in plant growth and development material to train students' critical thinking skills. This research used 4D development model, namely (Define, Design, Develop, and Disseminate) without disseminating stages.  Assessment validity of the e-book was carried out by three validators, namely; lecturers of material experts, lecturers of education experts, and teacher of biology. The e-book practicality data was collected by conducting a readability test using the Fry Graph, and the e-book practicality level was taken from some different respondents is thirteen students in 12^th grade IPA and three teachers from different school. Data analysis was performed using quantitative techniques. The average result of e-book validity is 95% with very valid category. The practicality of the e-book is also supported by the readability test results at level 12 with the average proportion of positive responses from students of 97.43% and the average proportion of positive responses from biology teachers of 95.56% which categorizes e-books in the very practical category. Based on the results of the analysis, it can be denied that on the guided inquiry based e-book in plant growth and development material to train critical thinking skill are declared valid and practical for using in the learning process.      

Keywords: E-books, plant growth and development, guided inquiry, critical thinking.