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The Effect of Segmenting and Contiguity Principles on Students’ Cognitive Load in Science Learning Aisyah Ary Yatma; Ismail Fikri Natadiwijaya; Putri Anjarsari
EDUJAVARE: International Journal of Educational Research Vol. 3 No. 2 (2025): EDUJAVARE: International Journal of Educational Research
Publisher : CV. Edujavare Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70610/edujavare.v3i2.1197

Abstract

Science learning requires students to understand concepts deeply; however, the complexity of the material and the dense and poorly structured presentation of information often increase students’ cognitive load. This study aims to examine the effect of segmenting and contiguity principles on students’ cognitive load in science learning. A quasi-experimental method with a posttest-only control group design was employed. The participants were eighth-grade students of MTs Negeri 9 Bantul, divided into an experimental group and a control group. The experimental group was taught using learning activities based on segmenting and contiguity principles, while the control group received regular instruction. Students’ cognitive load, particularly intrinsic and extraneous cognitive load, was measured using the Paas Mental Effort Rating Scale. The data were analyzed using descriptive statistics, independent samples t-test, and effect size. The results revealed that the application of segmenting and contiguity principles had a significant and moderate effect on reducing students’ cognitive load compared to conventional science learning (p = 0.016; Cohen’s d = 0.633). These findings indicate that instructional designs applying segmenting and contiguity principles are effective in managing students’ cognitive load and supporting more meaningful and cognitively efficient science learning.
PULBIN PEDIA: an Interactive dynamic web as a bioconservation learning resource for preservice science teacher Ismail Fikri Natadiwijaya; Eva Yuliana; Sugianto Sugianto; Dwi Fauzi Rachman; Nur Subkhi; Lesy Luzyawati
International Journal of Mathematics and Sciences Education Vol. 2 No. 1 (2024): Ijmsed
Publisher : Nashir Al-Kutub Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59965/ijmsed.v2i1.84

Abstract

Bioconservation is an interdisciplinary science whose purpose is to encourage the development of theory and application in conservation areas. Biawak Island is one of the leading conservation areas in the Indramayu district, therefore Bioconservation learning should be done directly on Biawak Island. In practice, studying Bioconservation directly on Biawak Island is difficult because of the long distance and expensive access to this place. Based on these problems, an interactive dynamic web in the form of a digital encyclopedia is a solution for the problem. Digital encyclopedia named “PULBIN PEDIA”. That was implemented in one of the private universities in West Java. The design used is Descriptive Qualitative. A qualitative approach is a research procedure that produces descriptive data in the form of written or spoken words from people and observed behavior. This research was conducted on 24 students who were taking the course of Bioconservation in the academic years of 2023/2024.  The results of the analysis from observations found that PULBIN PEDIA is an interactive and dynamic media and can be implemented as an integrated learning resource in Bioconservation lectures because it contains complete and accurate information regarding the location, origin of the name, management, conservation activities, conservation actors and biodiversity on Biawak Island. PULBIN PEDIA also can be implemented as a learning resource in lectures that apply problem-based learning strategies where students can find 3 (three) conservation problems, investigate components that have been conserved, and formulate solutions on how to preserve Biawak Island.