<![CDATA[Abstrak. Krisis literasi sains menjadi masalah serius untuk pembelajaran abad 21. Dewasa ini, pembelajaran dituntut berbasis teknologi untuk meningkatkan mutu pembelajaran, salah satunya ialah membuat buku digital (digital book) berbasis Flip PDF Professional. Penelitian ini dilakukan untuk mengetahui tingkat validitas dan efektivitas digital book dalam upaya meningkatkan kemampuan literasi sains siswa pada mata pelajaran IPA. Jenis penelitian ini ialah Research and Development (R&D) dengan model penelitian 4D. Penelitian ini dilaksanakan di kelas V SDS IT Darul Muta’alimin dengan subjek penelitian pada uji coba terbatas 5 orang siswa dan uji coba luas pada kelas V A yang berjumlah 20 siswa. Hasil penelitiannya ialah: (1) hasil validasi oleh dua orang validator ahli terhadap digital book berbasis Flip PDF Professional mendapatkan skor rata-rata 4,7. (2) hasil keefektifan ditinjau dari tiga aspek, yakni pretest, posttest, dan N-Gain. Nilai hasil pretest menunjukkan nilai rata-rata siswa yaitu 50 dan nilai posttest menunjukkan 87, serta memperoleh kriteria N-Gain 0,74 dengan kategori tinggi. Dengan demikian, produk digital book berbasis Flip PDF Professional yang dikembangkan dapat dipergunakan dalam pembelajaran ekosistem di kelas V SD.Kata kunci: Digital Book, Flip PDF Professional, Kemampuan Literasi Sains Abstract. The crisis of scientific literacy is a serious problem for 21st century learning. Today, technology-based learning is required to improve the quality of learning, one of which is making digital books based on Flip PDF Professional. This study was conducted to determine the level of validity and effectiveness of digital books in an effort to improve students' scientific literacy skills in science subjects. This type of research is Research and Development (R&D) with a 4D research model. This research was carried out in 5th grade of SDS IT Darul Muta'alimin with research subjects in a limited trial of 5 students and an extensive trial in 5th A grade, totaling 20 students. The results of the research are: (1) the results of validation by two expert validators on a digital book based on Flip PDF Professional get an average score of 4.7. (2) the results of the effectiveness in terms of three aspects, namely pretest, posttest, and N-Gain. The value of the pretest results showed the average score of students was 50 and the posttest value showed 87, and obtained the N-Gain criteria of 0.74 in the high category. Thus, the digital book product based on Flip PDF Professional that was developed can be used in learning ecosystems in 5th grade.Keywords: Digital Book, Flip PDF Professional, Scientific Literacy Skills]]>
Copyrights © 2021
