Developing inquiry-based learning materials to promote students' academic achievement

Abstract

The purpose of this study was to develop English learning materials based on Inquiry approach to promote students' academic achievement. The study was a Research and Development. The learning materials were developed by using ADDIE (Analyze, Design, Develop, Implement, and Evaluate) model. It was validated by some experts, such as experts of media, materials, language, and learning design. The result of those validation showed that the English learning materials were very appropriate to be implemented. Data collected through questionnaire. The data of students' academic achievement were taken through written test that was given to 67 students at Midwifery Academy of Harapan Mulya Ponorogo, East Java, Indonesia. They were divided into 35 students in experiment class and 32 students in control class. Data analyzed by using paired t test, and independent sample test. Result of statistical test between pretest and posttest in experimental class showed the significance level was 0.000< 0.05. The result of paired T test in control class was 0.007<0.05. The result of independent sample test between experiment and control class showed that the significance level was 0.004 < 0.05. It can be concluded that inquiry-based learning materials can be a tool to promote students' academic achievement.