The Development of Students’ Worksheet Based on Guided Inquiry Learning to Foster Students’ Critical Thinking in Elementary School

摘要

This research aims to describe the validity and effectiveness of based-guided inquiry learning in fostering students' critical thinking skills. This type of research is research and development that refers to the theory of Borg and Gall. The study population was the fourth grade students of the Raden Intan Front Cluster in Bumi Nabung Subdistrict and the research sample was fourth grade students of Elementary School 5 Bumi Nabung Ilir. Data collection techniques use nontes and test techniques. Data collection tools in the form of questionnaires and test questions. Data were analyzed using validity test and N-Gain effectiveness test. The results showed that (1) worksheet based-guided inquiry learning developed through Borg and Gall theory was valid based on suitability with guided inquiry learning steps and quality of worksheet, conformity with didactic, construction, and technical requirements, and in accordance with grammar rules. (2) worksheet based-guided inquiry learning is effective to foster students' critical thinking skills as indicated by the average N-Gain of 0.67 with the category "Medium".