The effects of problem based learning and traditional teaching methods on students' academic achievements, conceptual developments and scientific process skills according to their graduated high school types

The aim of this study is to determine the effects of problem based learning (PBL) and traditional teaching methods (TTM) on students' academic achievements, conceptual developments and scientific process skills according to their graduated high school types. In this research, the pre/post test control group design was applied and the research was conducted with 46 students attended of 1(th) class of Department of Physics Teaching in Dokuz Eylul University in Turkey. It was revealed that PBL method is more effective than TTM on students' conceptual development positively. (C) 2010 Elsevier Ltd. All rights reserved

The Effect of Problem Based Learning Approach on Conceptual Understanding in Teaching of Magnetism Topics

The aim of this research is to examine effect of problem based learning on conceptual understanding in teaching of magnetism topics. The research was conducted with 48 students attending of 1st class of the Department of Science Education in a state university in Turkey and a quasi-experimental, nonequivalent control group design was implemented. A concept test of magnetism topics was developed to identify students ’ conceptual understanding about units of “Magnetic Field and Its Effects”, “Magnetic Field Sources ” and “Magnetic Flux and Induction Law”. The control group was taught using traditional teaching methods. The traditional approach to concept teaching consists of the following steps; giving the student the word that expresses the concept, specifying the definition of the concept and identifying and distinguishing qualities needed to understand the definition, to ensure that students find examples related and unrelated to the concepts. However, the experimental group was exposed to Problem Based Learning (PBL) activities involving problem scenarios. PBL is informed in sessions within which there are small collaborative groups comprised of 6 or 8 students with guidance from a tutor. They deal with scenarios involving several problems that are authentic, complex, ill-structured problems to help students make connections between theory and real-world application. Instruction took 18 class hours in total. The data were analyzed using ANCOVA (Analysis of Covariance). The findings of the study revealed that PBL is more effective than the traditional teaching methods in improving students’ conceptual understanding about magnetism topics