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.

Development E-Assessment Literacy Oriented Higher Order Thinking Skills (HOTS) on Thematic Learning to Measure Critical Thinking Skills of Primary School Students

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This research aims to develop E-Assessment Literacy Oriented Higher Order Thinking Skills (HOTS) which is expected to be able to measure students’ critical thinking skills. This research uses research methods according to ADDIE with five stages, namely Analisys, Design, Development, Implementation, Evaluation. The sampling technique used in this research is saturated sampling, the population of this study was class V students at SDN Berundung. The sample in this research was class V A students at SDN Berundung. The research results include the feasibility, practicality and effectiveness of the product. Product feasibility seen from the product validation results is classified as very valid, the language aspect shows an average of 0.800. The media aspect shows an average of 0.875. The test instrument was also validated by the validator as the research product showed an average of 0.650. The practicality of the product can be seen from the average percentage of educators’ responses of 90% with very practical interpretations, while student responses were 90% with very practical interpretations. The effectiveness of the product can be seen based on trial data carried out in class V of SDN Berundung. The research results prove that class V A is at stage post-test has the highest value of 90 and the lowest value of 80 with an average value of 84.58, and a standard deviation of 2.93. This shows that there is a significant influence on measuring critical thinking skills using E-Assessment literacy oriented HOTS.