Development of PBL-Based Student Worksheets to Improve Students' Critical Thinking Skills in Biology Subjects

Authors

  • Novi Indah Lestari Universitas Negeri Padang (UNP)
  • Yuni Ahda Universitas Negeri Padang, West Sumatera, Indonesia
  • Linda Advinda Universitas Negeri Padang, West Sumatera
  • Muhyiatul Fadila Universitas Negeri Padang, West Sumatera, Indonesia

DOI:

https://doi.org/10.31958/jt.v28i1.14893

Keywords:

LKPD, PBL Model, Critical Thinking Skills

Abstract

The purpose of this research is to develop Biology Student Worksheets (LKPD) based on Problem Based Learning (PBL) to improve students' critical thinking skills on valid, efficient and efficient respiratory and excretory system materials. This type of study is a 4-D form development study consisting of 4 steps, namely define, design, develop, and disseminate. The study points are students of class XI MAN 02 Sijunjung in the 2023-2024 academic year. Validity trial information is obtained through the approval sheet by the lecturer as the validator. Practicality trial information is obtained from the results of the analysis of teacher and student reaction questionnaires. Success trial information is obtained from the multiple-option question sheet to assess students' critical thinking skills. The validation results by the validator on the PBL-based Biology LKPD show a validity value of 84.1% with a very valid category. The practicality results by the Biology teacher show a value of 86.9% with a very practical category, and students 82.81% with a very practical category. The results of the effectiveness test of students' critical thinking skills showed that the PBL-based Biology LKPD was effective, as seen through the critical thinking skills test which showed higher critical thinking skills in the experimental class (83.5%) compared to the control class (74.5%). Thus, it can be concluded that the PBL-based Biology LKPD developed is valid, practical, effective, and can improve students' critical thinking skills.

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Published

2025-05-10

How to Cite

Lestari, N. I., Ahda, Y., Advinda, L., & Fadila, M. (2025). Development of PBL-Based Student Worksheets to Improve Students’ Critical Thinking Skills in Biology Subjects. Ta’dib, 28(1), 57–68. https://doi.org/10.31958/jt.v28i1.14893

Issue

Vol. 28 No. 1 (2025)

Section

Artikel

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Copyright (c) 2025 Novi Indah Lestari

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