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Bilgin, Ibrahim; Senocak, Erdal; Sozbilir, Mustafa – EURASIA Journal of Mathematics, Science & Technology Education, 2009
This study aimed at investigating effects of Problem-Based Learning (PBL) on pre-service teachers' performance on conceptual and quantitative problems about concepts of gases. The subjects of this study were 78 second year undergraduates from two different classes enrolled to General Chemistry course in the Department of Primary Mathematics…
Descriptors: Experimental Groups, Control Groups, Problem Based Learning, Chemistry