Pengembangan media pembelajaran Komi-Studylab untuk meningkatkan kemampuan representasi matematis pada model pembelajaran Preprospec berbantuan TIK

Ratna Wahyuningtyas; Nuriana Rachmani Dewi

doi:10.21274/jtm.2026.9.2.165-182

Authors

Ratna Wahyuningtyas Universitas Negeri Semarang
Nuriana Rachmani Dewi Universitas Negeri Semarang

DOI:

https://doi.org/10.21274/jtm.2026.9.2.165-182

Keywords:

Komi-Studylab, mathematical representation skills, Google Sites, Preprospec learning model assisted by ICT, development of learning media

Abstract

Students’ mathematical representation skills are still relatively low, while the utilization of technology-based learning media that integrates innovative learning models remains limited. This study aims to Develop Komi-Studylab learning media based on Google Sites, integrated with the Preprospec Learning Model assisted by ICT, to produce media that is valid, feasible, effective, and practical in improving the mathematical representation abilities of 11th-grade high school students on the topics of function composition and inverse functions. This research uses the Research and Development (R&D) method with the 4D Development model, which includes Define, Design, Develop, and Disseminate stages. The subjects of the study are 11th-grade students in class F2 as the control group and class F3 as the experimental group at SMA Negeri 1 Pecangaan. Data were collected through validation sheets, tests of mathematical representation ability (pretest and posttest), and practicality questionnaires, then analyzed using descriptive and inferential analysis. The research results show that the media obtained a validity of 92.41% (very valid), feasibility of 93.01% (very feasible), and practicality based on teachers’ responses of 95.00% and students’ responses of 86.21% (very practical). The media is also effective, with an average post-test score of 76.34 in the experimental class, a 100% mastery level, and an N-Gain score of 0.64, which is higher than the control class (0.59). Therefore, Komi-Studylab is declared valid, feasible, practical, and effective for improving students’ mathematical representation skills.

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