Pengembangan LKS Berbasis Saintifik untuk Melatih Keterampilan Berpikir Kritis Siswa SD

Abstract

This research aims to develop scientific student worksheet based on indicators of critical thinking skills. This research uses Research and Development (R&D) method with one group pre-test post-test design. The results showed 86.35% reliability, 92.64% validity, and 95.38% readability. N-gain analysis reached high value criteria at indicator of questioning, responding, analyzing and conducting scientific experiments. Student activity dominant with worksheet duties (73.93% and 71.37%) and conducting scientific experiment (75.74% and 73.44%). It can be concluded that the student worksheet meet the criteria of validity, practicality and effectiveness for practice the student scientific ability and critical thinking skills.