PENERAPAN MODEL PROBLEM BASED LEARNING (PBL) UNTUK MENINGKATKAN KEMAMPUAN BERPIKIR KRITIS SISWA DI KELAS III SDN 4 LALEMBUU

Vinky Yuhanasari, NIM:2020010104124, V (2026) PENERAPAN MODEL PROBLEM BASED LEARNING (PBL) UNTUK MENINGKATKAN KEMAMPUAN BERPIKIR KRITIS SISWA DI KELAS III SDN 4 LALEMBUU. Other thesis, IAIN KENDARI.

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Abstract

ABSTRAK
Vinky Yuhanasari, NIM:2020010104124. Penerapan Model Problem Based
Learning (PBL) Untuk Meningkatkan Kemampuan Berpikir Kritis Siswa Di
Kelas III SDN 4 Lalembuu Dibimbing oleh: Ibu Rasmi, S.Ag,M.Pd dan Ibu
Halmuniati, S.Pd,M.Pd

Penelitian ini bertujuan untuk mengetahui kemampuan berpikir kritis siswa
melalui penerapan model Problem Based Learning di kelas III SDN 4 Lalembuu
dan untuk mengetahui apakah ada peningkatan berpikir kritis siswa setelah
diterapkan model Problem Based Learning di kelas III SDN 4 Lalembuu.
Penelitian ini merupakan Penelitian Tindakan Kelas (Classroom Action Research)
yang terdiri dari empat tahap mulai dari perencanaan, pelaksanaan, observasi dan
refleksi. Subjek dalam penelitian ini adalah seluruh siswa kelas III SDN 4
Lalembuu yang berjumlah 20 orang. Penelitian ini dilakukan sebanyak II siklus
yang masing-masing dilakukan tiga kali pertemuan. Berdasarkan hasil penelitian
terhadap pembelajaran materi ekosistem dengan menerapkan model Problem
Based Learning (PBL) pada siswa kelas III SDN 4 Lalembuu, diperoleh data
perkembangan kemampuan berpikir kritis siswa dari tahap pra-siklus hingga
siklus II. Pada tahap pra-siklus, sebanyak 65% siswa berada dalam kategori
kurang kritis, 5 siswa berada dalam kategori kritis, dan hanya 3 siswa yang
termasuk dalam kategori sangat kritis. Setelah penerapan model PBL pada siklus
I, terjadi peningkatan dengan distribusi kemampuan berpikir kritis sebagai
berikut: sangat kritis sebesar 25%, kritis 40%, cukup kritis 15%, dan kurang kritis
20%. Peningkatan yang lebih signifikan terlihat pada siklus II, di mana siswa yang
tergolong sangat kritis meningkat menjadi 55%, kategori kritis sebesar 35%, dan
cukup kritis sebesar 10%. Temuan ini menunjukkan bahwa penerapan model
Problem Based Learning berkontribusi positif terhadap peningkatan kemampuan
berpikir kritis siswa. Oleh karena itu, hasil penelitian ini merekomendasikan agar
pendidik mempertimbangkan penerapan model PBL sebagai strategi pembelajaran
yang efektif dalam mengembangkan kemampuan berpikir kritis peserta didik,
khususnya pada jenjang sekolah dasar.

Kata Kunci: Problem Based Learning, Kemampuan Berpikir Kritis, SDN 4
Lalembuu

ABSTRACT
Vinky Yuhanasari, NIM : 2020010104124. Implementation of the ProblemBased
Learning
(PBL)
Model
to
Enhance
Students'
Critical
Thinking
Skills

in
Grade
III
at
SDN
4
Lalembuu.
Supervised
by:
Mrs.
Rasmi,
S.Ag.,
M.Pd.

and
Mrs.
Halmuniati,
S.Pd.,
M.Pd.
This study aims to investigate students' critical thinking skills through the
implementation of the Problem Based Learning (PBL) model in Grade III at SDN
4 Lalembuu, as well as to determine whether there is an improvement in students'
critical thinking skills after the application of the PBL model in the same class.
This research is a Classroom Action Research, which consists of four stages:
planning, implementation, observation, and reflection. The subjects of this study
were all 20 students of Grade III at SDN 4 Lalembuu. The research was
conducted in two cycles, each consisting of three meetings. Based on the results
of the study on the ecosystem learning material using the Problem Based
Learning (PBL) model, data showed the development of students’ critical
thinking skills from the pre-cycle stage to the second cycle. In the pre-cycle stage,
65% of students were categorized as having low critical thinking skills, 5 students
were in the critical category, and only 3 students were classified as highly critical
thinkers. After the implementation of the PBL model in the first cycle, there was
an improvement, with the distribution of critical thinking levels as follows: 25%
highly critical, 40% critical, 15% moderately critical, and 20% low critical. A
more significant improvement was observed in the second cycle, where 55% of
students were in the highly critical category, 35% in the critical category, and
10% in the moderately critical category. These findings indicate that the
implementation of the Problem Based Learning model contributes positively to
the enhancement of students' critical thinking skills. Therefore, this study
recommends that educators consider applying the PBL model as an effective
instructional strategy to foster students' critical thinking abilities, particularly at
the elementary school level.

Keywords: Problem-Based Learning, Critical Thinking Skills, SDN 4
Lalembuu

Item Type:	Thesis (Other)
Uncontrolled Keywords:	Problem Based Learning, Kemampuan Berpikir Kritis, SDN 4 Lalembuu
Subjects:	300 Ilmu Sosial > 371 Institusi Pendidikan, Sekolah dan Aktifitasnya > 371.3 Metode Belajar Mengajar, Kegiatan Belajar Mengajar > 371.36 Metode Pengajaran Tertentu, Metode Pembelajaran Tertentu
Divisions:	Fakultas Tarbiyah dan Ilmu Keguruan > Prodi Pendidikan Guru MI/SD
Depositing User:	Unnamed user with email [email protected]
Date Deposited:	06 May 2026 07:04
Last Modified:	06 May 2026 07:04
URI:	http://digitallib.iainkendari.ac.id/id/eprint/4443

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