The Implementation of Modified Free Inquiry Learning Model to Improve Critical Thinking Skills of 21st-Century Students in High School on Bryophyta Learning

The 21st century demands quality human resources and is able to compete globally. Critical thinking skills are part of important competencies in the 21st Century. The use of modified free inquiry learning models is one alternative to improve critical thinking skills and facilitate learning of Bryophyta. Bryophyta learning contains complex material. This study aims to apply the modified free inquiry learning model in improving the critical thinking skills of the 21st Century high school students in Bryophyta learning. The research method used a quasi-experimental method with non-equivalent control group pretest posttest research design. The sample used two classes consisted of modified free inquiry class and conventional class. The instruments Instrument consists of questions about pretest and posttest critical thinking skills, student worksheet, observation sheets and questionnaire. The results showed that there was an increase in critical thinking skills in the experimental class students by (0.51) in the medium category and the control class students by (0.75) in the high category. Increases occur in all indicators of critical thinking skills. The results of the questionnaire showed that students responded positively to the application of modified free inquiry learning models in improving 21st Century critical thinking skills in Byophyta learning.