Improving Health Literacy and Problem-Solving Skills: The Effectiveness of Problem-Based Learning Through the HARVI Educational Website on the Topic of the Human Reproductive System
DOI:
10.29303/jppipa.v12i10.15924Published:
2026-10-14Downloads
Abstract
The human reproductive system topic in high school biology is directly relevant to adolescents' lives, requiring an approach that develops health literacy and problem-solving skills. Field conditions indicate both competencies remain in the "needs guidance" category due to teacher-centered instruction and lack of interactive digital media. This study determined the effectiveness of Problem-Based Learning (PBL) through the HARVI (Human Reproductive Hormones, HIV/AIDS, and Innovation) educational website on health literacy and problem-solving skills of 11th-grade students. Using a one-group pretest-posttest design, the study involved 35 students at SMA Negeri 1 Sungai Apit. The HARVI website integrates five stages of PBL syntax and presents contextual problems on the reproductive system and related disorders. Health literacy was measured across four dimensions within three domains, while problem-solving was measured using six indicators. Results showed health literacy rose to the high category (N-Gain 0.72) and problem-solving rose to the moderate category (N-Gain 0.651), with the Wilcoxon test confirming significant differences (p < 0.001). The website's effectiveness stems from its multi-format content and authentic case studies guiding students through problem identification, analysis, and solution evaluation. HARVI thus offers practical value for biology instruction as an adaptive, technology-based medium supporting Indonesia's Independent Curriculum (Kurikulum Merdeka).
Keywords:
HARVI educational website Health literacy Human reproductive system Problem-based learning Problem-solvingReferences
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