This study aims to develop a digital book design equipped with environment-based Augmented Reality (AR) features and to examine its validity, practicality, and effectiveness in improving students’ interest and achievement in science learning. This study employed the ADDIE model, consisting of five stages: Analyze, Design, Development, Implementation, and Evaluation. The research was conducted with fifth-grade students at SD No. 3 Kedonganan, Bali Province. The effectiveness test involved 54 students from two classes, consisting of 27 students in the experimental class and 27 students in the control class. The practicality test involved five teachers and 25 fifth-grade students selected for the product trial. Data were collected through validated questionnaires and multiple-choice tests. The validity of the digital book was assessed using a modified Learning Object Review Instrument (LORI) and BSNP assessment instruments. The developed digital book integrates 3D visualization and AR features. The validity test results showed that the digital book achieved an average score of 0.92, indicating a very valid category. The practicality results showed that teacher responses reached an average score of 95.16%, while student responses reached 92.53%, both categorized as very practical. The hypothesis testing results using one-way MANOVA showed a significance value of p < 0.001, indicating a statistically significant effect of implementing the environment-based AR digital book on students’ interest and achievement in science learning. These findings indicate that the developed digital book with environment-based AR features is a valid, practical, and effective learning medium for enhancing science learning outcomes and interest among fifth-grade elementary school students.
Luh Putu Susilawati, N. Dantes, I. M. Ardana· Jurnal Paedagogy· 0 citations
This study aimed to (1) identify the characteristics of Scratch-assisted interactive learning media based on problem-solving principles that are valid, practical, and effective, and (2) examine students’ learning trajectories that describe their cognitive processes during learning activities using the developed media. This research employed a Research and Development (R&D) approach using the Plomp development model, which consists of five stages: preliminary investigation, design, realization/construction, testing, evaluation and revision, and implementation. The participants of this study were 15 fifth-grade students from SDTK Pelita Hati. Data were collected through expert validation sheets, teacher and student response questionnaires, mathematical critical thinking tests, and Hypothetical Learning Trajectory (HLT) analysis. The data were analyzed using both descriptive quantitative and qualitative methods. The results indicated that: (1) the Scratch-assisted problem-solving-based interactive learning media was highly valid, with an average validation score of 4.5 from both material and media experts; (2) the developed media was highly practical, as shown by mean response scores of 4.5 from teachers and 4.52 from students; (3) the learning media was effective in improving students’ mathematical critical thinking skills, as evidenced by an increase in the mean score from 39.67 on the pretest to 78.67 on the posttest, with an N-Gain value of 0.65 categorized as moderate improvement; and (4) students’ learning trajectories demonstrated progressive development in mathematical thinking, moving through stages of problem identification, strategy formulation, problem-solving execution, and critical conclusion drawing supported by Scratch-based learning activities. In conclusion, the Scratch-assisted interactive learning media based on problem-solving is feasible and effective for enhancing fifth-grade students’ mathematical critical thinking skills.
Ni Kadek Ayu Sudiasih, I. M. Ardana· ARMADA : Jurnal Penelitian M...· 0 citations
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