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Conditional critical thinking gains: ATI study of homo complexus in PBL–SSI biology education Ida Ayu Purnama Bestari; Anantawikrama Tungga Atmadja; I Nyoman Tika; I Wayan Suastra
JPBI (Jurnal Pendidikan Biologi Indonesia) Vol. 11 No. 3 (2025): NOVEMBER
Publisher : University of Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/jpbi.v11i3.42549

Abstract

This quasi-experimental study investigated the effectiveness of a Homo Complexus (HC)-framed Problem-Based Learning and Socio-Scientific Issues (PBL–SSI–HC) model in fostering critical thinking (CT) among biology education students (N=78). Comparing PBL–SSI–HC (n=38) with conventional PBL–SSI (n=40), a validated and reliable CT instrument was used for pretest and posttest. ANCOVA results revealed a significant Group × Pre_CT interaction (F (1, 74) = 7.73, p = .007, ηp² = 0.095), indicating that the model's effect on CT was conditional on initial CT levels. Simple slopes analysis showed that the PBL–SSI–HC model significantly benefited students with higher initial CT (adjusted mean difference = 0.079, p = .006, Hedges’ g = 0.19 at +1 SD Pre_CT), while advantages for lower and average baseline students were negligible. This aptitude–treatment interaction (ATI) suggests that the epistemic complexity of the Homo Complexus framework is most effective for learners with stronger prerequisite CT strategies. Instructional implications highlight the need for targeted scaffolding, such as explicit modeling of CT moves and structured argumentation, to extend these benefits across all CT ability levels and align with national educational goals.
A Humanistic-Ecological Project-Based Learning Model Integrating Balinese Local Wisdom for Adolescent Development in Bali’s Tourism Contexts: A Systematic Literature Review Bestari, Ida Ayu Purnama; Tika, I Nyoman; Atmadja, Anantawikrama Tungga; Suastra, I Wayan
IJIS Edu : Indonesian Journal of Integrated Science Education Vol 8, No 1 (2026): January 2026
Publisher : UIN Fatmawati Sukarno Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29300/ijisedu.v8i1.10263

Abstract

This systematic literature review synthesizes evidence on Project-Based Learning (PjBL) integrated with Balinese local wisdom for adolescent human resource development in Bali’s tourism contexts. Following PRISMA 2020 guidelines, a Scopus search (2016-2025) identified 21 empirical studies. Each was coded for PjBL implementation, local wisdom integration, humanistic/ecological perspectives, youth development, and tourism relevance. Findings show widespread integration of humanistic/ecological perspectives and local wisdom. However, explicit PjBL implementation appeared in only 8 of 21 studies (38.1%), with others showing project-like elements. Recurring limitations include partial local wisdom integration and limited attention to ecological impact and youth agency. Based on this, the study proposes a seven-stage PjBL syntax operationalizing Tri Hita Karana, Tat Twam Asi, and menyama braya. This model offers a culturally grounded framework for adolescent HRD, addressing existing gaps and promoting humanistic-ecological sustainability in Bali's unique tourism setting.