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Journal : Jurnal Inovasi Pendidikan dan Sains

An Analysis of the Impact of Differentiated Instruction on Academic Achievement Among Grade X Students in Vocational Education Aviadi, Dedi; Pohan, Albert Efendi; Pamungkas, Tubagus
Jurnal Inovasi Pendidikan dan Sains Vol 6 No 1 (2025): April
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Nahdlatul Wathan Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51673/jips.v6i1.2476

Abstract

This study aims to investigate the effectiveness of implementing differentiated instruction in improving student learning outcomes in Informatics for Grade X students at a vocational high school. Employing a classroom action research design over two cycles, data were collected through learning outcome tests, student attitude observations, and documentation. Both qualitative and quantitative approaches were utilized in data analysis. The findings reveal that the implementation of differentiated instruction was moderately effective, with an average N-Gain score of 75.6%. There was a significant improvement in student learning outcomes following the application of differentiated instructional methods. Quantitative analysis supported the effectiveness of this approach, as evidenced by a t-test value of 6.256 with 66 degrees of freedom and a significance level of < 0.001, thereby rejecting the null hypothesis (H₀). These results indicate that differentiated instruction can significantly enhance student engagement and academic performance, particularly in subjects such as Informatics that require logical and rapid thinking skills. The study underscores the crucial role of instructional innovation and teacher management strategies in addressing diverse student needs and optimizing learning outcomes. It recommends the broader application of differentiated instruction to enhance teaching quality and student achievement in vocational education contexts
Development of a Maritime-Based STEAM Laboratory Book to Improve Students’ Problem-Solving Skills Sari, Hartika; Hartanto, Suryo; Pohan, Albert Efendi
Jurnal Inovasi Pendidikan dan Sains Vol 6 No 2 (2025): Agustus
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Nahdlatul Wathan Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51673/jips.v6i2.2604

Abstract

The lack of contextual and integrative learning media is one of the challenges in enhancing maritime literacy among students. This study aims to develop a maritime-based STEAM laboratory book that is valid, practical, and effective in improving students' understanding of maritime concepts and their problem-solving skills in science learning. The study used the Research and Development (R&D) method using the ADDIE model, which includes the stages of Analysis, Design, Development, Implementation, and Evaluation. The developed product was designed based on the STEAM approach with six stages: focus, detail, discovery, implementation, presentation, and link. The validity of the book was obtained from expert evaluations, with scores of 81% for content and 85% for design, both categorized as highly valid. The practicality of the book was assessed based on teacher responses (92%) and student responses (85.4%), both of which were classified as highly practical. The effectiveness of the product was shown by student responses (83.7%),and there was an improvement in problem-solving skills