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Kanyesigye, Stella Teddy; Uwamahoro, Jean; Kemeza, Imelda – Research in Science Education, 2023
This study aimed to assess the impact of problem-based learning (PBL) on students' achievement in mechanical waves among secondary schools in South Western Uganda. Four hundred and nineteen students (419) from 19 schools were involved in this study. A quasi-experimental research method was employed through Solomon's four-group design. Form six…
Descriptors: Problem Based Learning, Science Achievement, Physics, Scientific Concepts
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Wong, Kenson Kin Hang; Day, Jeffrey Richard – Research in Science Education, 2009
The purpose of the study is to compare problem based learning (PBL) and lecture-based learning (LBL) in Hong Kong secondary students' science achievement. Secondary One students were divided into two groups: group A (n = 37), was taught two topics: "Human Reproduction" and "Density" through PBL; group B (n = 38) was taught the…
Descriptors: Problem Based Learning, Early Adolescents, Educational Change, Foreign Countries