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engembangan E-LKPD Berbasis STEM dengan Konteks Polusi Udara Samarinda untuk Meningkatkan Literasi Lingkungan dan Keterampilan Berpikir Kritis Murid SMP Nurlaila; Elsje Theodora Maasawet; Akhmad; Herliani; Masitah; Lambang Subagiyo
Jurnal Penelitian Pendidikan IPA Vol 12 No 3 (2026)
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v12i3.14460

Abstract

This study aims to develop STEM-based E-LKPD to improve environmental literacy and critical thinking skills of eighth grade junior high school students on respiratory system content, with a context of solving air pollution problems caused by waste burning in Samarinda. The background of this study is the low ability of students to relate scientific concepts to local environmental issues and their weak critical thinking and environmental literacy skills in biology learning. The research method used was Research and Development (R&D) with Thiagarajan's 4D (Define, Design, Develop, Disseminate) model. Experts validated the product in subject matter, media, and language, and its practicality was tested through a student response questionnaire. The effectiveness test was conducted using a pretest-posttest control group quasi-experimental design in four public junior high schools in Samarinda (SMPN 1, 7, 19, and 26). The expert validation results showed that the product was highly valid with an average percentage of 91.66%. The practicality test resulted in a very practical category at the dissemination stage (average score of 3.5–3.7). The effectiveness test proved that the experimental group using STEM-based E-LKPD experienced a significantly higher increase in environmental literacy and critical thinking skills compared to the control group, with a medium-high N-Gain category (0.4–0.8) and statistical significance of p < 0.05. These findings suggest that anchoring STEM learning in the tangible, local issue of air pollution in Samarinda effectively bridges the gap between abstract scientific concepts and real-world application, thereby fostering deeper environmental literacy and critical thinking. The study concludes that the developed STEM-based E-LKPD is a feasible, practical, and innovative medium aligned with the Merdeka Curriculum and the Sustainable Development Goals.
Development of Neuroscience-Based Biology Learning Media to Increase Learning Motivation and Cognitive Learning Outcomes of Tenggarong High School Students Yuli Rian Andriyani Sinaga; Herliani; Didimus Tanah Boleng; Elsje Theodora Maasawet; Akhmad; Vandalita M. M Rambitan
Jurnal Penelitian Pendidikan IPA Vol 10 No 6 (2024): June
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i6.7314

Abstract

Neuroscience-based learning is a field of neuroscience study that focuses on studying educational concepts from the perspective of the brain's working system. It turns out that teachers and parents still rarely pay attention to this field of study, which has led to the emergence of a learning atmosphere that is passive and not optimal in stimulating nerve cells in the human brain. The results of initial observations carried out on 22-28 April 2021 on high school teachers and students in Tenggarong (SMA Negeri 1 Tenggarong, SMA Negeri 2 Tenggarong, SMA Negeri 3 Tenggarong) showed that there were still many (85%) It was found that teachers still relied on verbal language, image/animation media, PowerPoint and only a few (15%) were varied in their use of biology learning media, although based on interviews they said they understood audio, visual and audiovisual media well enough. Likewise with learning with neuroscience-based media, from the interview results, generally (85%) were not familiar with biology learning with neuroscience-based media and only a few (15%) were familiar with and had implemented it in biology learning. The same thing applies to students' cognitive learning outcomes from interviews that I found that students' abilities were generally moderate and low. This is because students think that biology is a rote subject and are less motivated when learning. This research method is Research and Development (R&D) Sivasailam Thiagarajan. The main objective of this development research method is to produce products and determine the feasibility of products developed in the form of neuroscience-based learning videos which are limited to the circulatory system. The research subjects included four validator experts, namely media experts, materials experts, language experts and learning tools experts. Class XI students as the research sample consisted of two classes, namely the control class and the experimental class. The results of the research show that the validity of learning media is in the valid category (79.95%), the practicality of learning media is in the very good category (83.37%), and also the effectiveness of neuroscience-based learning media in providing a high increase in learning motivation (Gain score = 0 .73) and t test analysis (t count < 0.05) via the SPSS application.
Development of Science Learning Modules with Computer-Based Test (CBT) Assessments to Train Critical Thinking Skills of Students at SMP Negeri 7 Bontang Hendita Dyah Ratnady; Makrina Tindangen; Elsje Theodora Maasawet; Abdul Hakim; Daniel; Herliani; Yusak Hudiyono; Aloysius Hardoko
Jurnal Penelitian Pendidikan IPA Vol 10 No 9 (2024): September
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i9.8391

Abstract

This study aims to improve Modules for science subject with the Computer-Based Test Assessment in order to train students’ critical thinking on one of science topics which is human’s respiratory system using ADDIE model. This model of research is the development research level 3. The data were collected by involving expert’s validation, observation, test, and questionnaire. The results showed that: the module validity result in terms of module itself was 93.75% with a very valid category. The validity in terms of language and material were 88.77% and 99.54% respectively, while the results by the Computer-Based Test application were 97%. The module’s practical results assessed by questionnaires were 89.41% and it means this module is highly practical to be used. The results of the module’s efficacy in terms of normality, the n-gain of all classes in pre-test and post-test’s sig value > 0.05, therefore the data was distributed normally. The results of paired sample t-test indicate that there is a noticeable difference on the average of pre-test and post-test results in the experimental group. Hence, the science module with Computer-Based Test is effective to be utilized as learning materials that can increase students’ critical thinking skills at schools.