THE INFLUENCE OF PROBLEM BASED LEARNING (PBL) MODELAND LEARNING MOTIVATION ON CRITICAL THINKING ABILITYIN GRADE 6 SDN 14 TANJUNG MEDAN

This study aims to determine: (1) The effect of the Problem Based Learning (PBL)
learning model on the critical thinking skills of Class VI students of SD Negeri 14
Tanjung Medan in the 2021/2022 academic year; (2) The effect of learning
motivation on students' critical thinking skills; (3) The interaction effect of
Problem Based Learning (PBL) learning model and learning motivation on
students' critical thinking skills. The sampling technique in this study was carried
out in two classes, 36 students in class VI1 as an experimental class with Problem
Based Learning (PBL) learning model and class VI2 as a control class with 32
students taught using the Direct Instruction learning model. Data collection
instruments using: (1) motivation questionnaire in the form of a statement as
many as 30 items; (2) Critical thinking test in the form of multiple choice as many
as 15 items. This research method is quasi-experimental with data analysis
techniques using the 2-way Anova test with a significant level of = 0.05. The
results of this study showed that: (1) There is an influence of learning motivation
on students' critical thinking; (α=0.05, p=0.000); (2) There is an effect of learning
model on students' critical thinking; (α=0.05, p=0.008); (3) There is an interaction
between the learning model and learning motivation towards critical thinking;
(α=0.05, p=0.012).