PENGEMBANGAN e-LKPD BERORIENTASI CONTEXTUAL TEACHING AND LEARNING (CTL) UNTUK MELATIHKAN KETERAMPILAN BERPIKIR KRITIS SISWA PADA MATERI TERMOKIMIA KELAS XI SMA

DEVELOPMENT OF ELECTRONIC STUDENT WORKSHEET WHICH CONTEXTUAL TEACHING AND LEARNING (CTL) ORIENTED TO TRAIN STUDENT CRITICAL THINKING SKILL ON THERMOCHEMICAL MATERIAL FOR 11^TH GRADE SENIOR HIGH SCHOOL

Tujuan riset pengembangan ini yaitu melatihkan kemampuan berpikir kritis murid pada materi termokimia dengan mengembangkan perangkat pembelajaran berupa e-LKPD berorientasi Contextual Teaching and Learning yang dilihat dari kesesuaian dari pendekatan CTL, kelayakan isi, penyajian, dan bahasa, responden murid kepada e-LKPD dan hasil peningkatan kemampuan berpikir kritis murid pada 15 murid kelas XI MIPA 7 SMAN 1 Krian Sidorajo. Metode riset pada pengembangan ini yaitu metode 4-D menurut Thiagarajan. Hasil yang didapatkan pada penelitian ini meliputi: 1) Kelayakan LKPD dengan persentase hasil validasi kriteria kesesuaian dengan pendekatan CTL 78,89%, isi 81,39%, penyajian 83,33%, dan bahasa 81,25% dengan kategori sangat layak. 2) Kepraktisan LKPD dengan persentase hasil respon siswa berdasarkan kriteria isi 88,09%, penyajian 84,44%, bahasa 86,66% dengan kategori sangat layak, dan 3) Keefektifan LKPD dengan n-gain score pada hasil tes keterampilan berpikir kritis berkisar antara 0,44-1,00 dengan kriteria sedang-tinggi serta ketuntasan klasikal 66,67% sehingga e-LKPD dapat dinyatakan layak.

The aims of  this development research is to train students' critical thinking skills on thermochemical materials by developing learning tools in the form of e-LKPD which Contextual Teaching and Learning-oriented that are reviewed from conformity with CTL approach, content feasibility, presentation, and language, student responses to e-LKPD and the results of improving students' critical thinking skills in 15 students of class 11th MIPA 7 at SMAN 1 Krian Sidorajo. The research method in this development is the 4-D method according to Thiagarajan. The results obtained in this study include: 1) Feasibility of LKPD with percentage validation of conformity criteria with CTL approach of 78.89%, content of 81.39%, presentation of 83.33%, and language of 81.25% with highly feasible category. 2) Practicality of LKPD with percentage of student responses results based on the content criteria of 88.09%, presentation of 84.44%, language 86.66% with highly feasible category, and 3) Effectiveness of LKPD with n-gain score on the results of critical thinking skills test ranging from 0.44-1.00 with medium-high criteria and classical completeness of 66.67% so that e-LKPD can be declared feasible.