Implementation of Digital Books on Student's Critical Thinking Skill in Biology Learning Evaluation Course

Abstract

This study aims to determine the implications of digital textbooks on students' critical thinking skills in biology learning evaluation courses. This development research uses the ADDIE model with the number of research subjects as many as 80 students and 6 lecturers determined purposively. Data were collected by questionnaires and tests, then analyzed using the percentage technique. The results of the study found that the resulting digital textbooks were suitable for use and after implementation the students' thinking quality in the evaluation course of biology learning was obtained as follows: (1) Question of issue 82.18% (good), (2) Purpose 90.26% (very good), (3) Information 92.64% (very good), (4) Concepts 83.26% (good), (5) Assumptions 80.12% (good), (6) Point of view 86.62% (good), (7) Interpretation and inference 88.58% (good), and (8) Implications and consequences 86.74% (good).