Jurnal IPA Terpadu (JIT)
Vol. 10 No. 1 (2026): Jurnal IPA Terpadu (JIT)

THE IMPLEMENTATION OF THE PROBLEM BASED LEARNING (PBL) MODEL INTEGRATED WITH A STEM APPROACH TO ENHANCE THE CRITICAL THINKING SKILLS

Poppy Jesnita (Department of Science Education, Universitas Negeri Makassar, Indonesia)
Nurhayani H. Muhiddin (Department of Science Education, Universitas Negeri Makassar, Indonesia)
St. Mutia Alfiyanti Muhiddin (Department of Science Education, Universitas Negeri Makassar, Indonesia)



Article Info

Publish Date
31 Mar 2026

Abstract

This study aims to determine the level and improvement of critical thinking skills of class VII UPT SPF SMPN 33 Makassar students after the application of the PBL model integrated with the STEM approach. This research is a pre-experimental study with a One Group Pretest-Posttest Design research design. The population of this study were all students of class VII UPT SPF SMPN 33 Makassar as many as 9 classes with a total of 284 students. Sampling through purposive sampling technique so as to obtain class VII F with a total of 31 students. The research instrument was a critical thinking skills test. Data were analyzed with descriptive and inferential statistics. The results of descriptive analysis obtained the average pretest score of 12.81 is in the low category while the average posttest score of 32.48 is in the high category and the average N-Gain of 0.52 is in the medium category. The results of the inferential analysis with the t-test obtained tcount = 15.647> ttable 2.045, it can be concluded that there is an increase in critical thinking skills after the application of the problem-based learning (PBL) model integrated with the science, technology, engineering and mathematics (STEM) approach.

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Journal Info

Abbrev

JIT

Publisher

Subject

Description

Jurnal IPA Terpadu (JIT) has an ISSN for the print version with the number 2597 - 8977 and the online version with the number 2597 - 8985. Jurnal IPA Terpadu (JIT) publishes scientific articles on research results, ideas, and the implementation of theories in Integrated Science Education and ...