THE EFFECTIVENESS OF INQUIRY LESSON-BASED IMMUNITY SYSTEM MODULE TO EMPOWER THE STUDENTS’ CRITICAL THINKING SKILL

Abstract

This research aimed to find out the effectiveness of inquiry lesson (IL)-based immunity system module product to empower the students’ critical thinking skill. This study was quasi-experimental research with pretest-posttest control group design nonequivalent. The participant or subject of research consisted of 67 Senior High School students in Kediri in Academic Year of 2016/2017 distributed in two classes: 33 students in the 11th Natural Science 2 Grade as experiment class and 34 students in the 11th Natural Science 3 Grade as existing class. The instrument used to collect data on critical thinking skill was essay test. Experiment class was treated using inquiry lesson-based module, and existing class using module commonly used at school. Data analysis employed t-test at significance level with p-value = 0.000 (p<0.05). The gap between pre- and posttest scores was 20.99% for experiment class and 10.76% for existing class. From the result of research, it could be concluded that learning using inquiry lesson (IL)-based immunity system in learning process is very significant to empower the students’ critical thinking skill.