Articles

Discovery Learning: Learning Modules to Improve the Critical Thinking Skills of Grade IV Elementary School Students

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This research aims to develop discovery-based learning modules on Natural Sciences and Social Sciences (IPAS) subjects in elementary schools. Research and development uses the Brog and Gall (2003) model which consists of 3 main steps of research and development. In product development, researchers use the ADDIE development model to develop prototypes of learning modules. This research was conducted in the central part of Lampung Province, precisely at SD Negeri 5 Lempuyangan Regency, Bandar Way Pengubuan. The sampling technique uses random sampling by assigning 2 classes as subjets, namely the experimental class and the control class consisting of 25 students in each class. The results of this study showed that the average score of the experimental class was 77.83 and the control class was 69.43. Based on the results of the analysis, it was found that the experimental class was superior to the control class and had a significance value obtained through the t-test before 0.000, which means that there is a significant average difference. The results are then continued on the effect size test to see the magnitude of the influence of the product used. The effect size test result is 0.83 with a very high interpretation. Based on the results of research conducted in class IV, it can be concluded that discovery-based learning modules are effective in improving students’ critical thinking skills.

The Effectiveness of Discovery Learning-Based E-Modules to Improve Student Understanding

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This research aims to produce thematic e-module products based on discovery learning that are feasible and effective in improving the comprehension ability of learners. This research is a type of Research and Development (R&D) research. The research was conducted referring to the theory of Borg & Gall (2003). The population of this study was class V students of the Ki Hajar Dewantara Cluster. The sample of this study was determined by Cluster random sample and saturated sampling taken at two different schools and obtained as many as 50 students. Data collection tools use valid and reliable test instruments. The effectiveness data analysis technique uses an effect size test with results of 0.937 in sample A and 0.932 in sample B. Based on data analysis from the results of the study, it is concluded that thematic e-modules based on discovery learning are effective for improving the ability of elementary school students to understand.

Development of Ecosystem-Based Material Modules Discovery Learning with Media QR Scanner HP to Increase Problem Solving Skill (Class X Mipa 5 SMA Batik 1 Surakarta)

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This study aims to: 1) determine the characteristics of discovery learning- based modules with HP QR scanner media to improve students’ problem-solving skills; 2) find out the feasibility of discovery learning-based modules with HP QR scanner media to improve students’ problem-solving skills; 3) knowing the effectiveness of discovery learning-based modules with HP QR scanner media to improve students’ problem-solving skills. This science learning tool development research uses the ADDIE procedure which consists of five stages, namely: 1) analysis, 2) design, 3) develop, 4) implementation, and 5) evaluation. The data analysis research instruments used were Aiken’s descriptive analysis and validity (score 0.87 with high validity category) for preliminary and feasibility studies and inferential analysis using independent t-test (score 0.000) to determine the effectiveness of development products on students’ problem-solving abilities. The study was conducted at SMA Batik 1 Surakarta with a sample of 32 grade X students. The conclusions of this study are: 1) the discovery learning-based module with HP QR scanner media developed has five main characteristics, namely: a) improving problem solving skills; b) concrete problem-based; c) student centered; d) discovery learning; and e) focusing on essential materials; 2) the discovery learning-based module with the developed HP QR scanner media was declared eligible (valid) for use in SMA/MA based on limited trial results and a validity score of 0.945 with a high validity category; 3) discovery learning-based modules with HP QR scanner media developed effectively improve students’ problem- solving abilities, with an experimental class n-gain score of 0.504 (upper medium) and control class 0.360 (lower medium).