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Demircioglu, Gokhan – Asia-Pacific Forum on Science Learning and Teaching, 2009
This study examined whether the application of conceptual change texts are effective before or after the instruction on 10th grade students' conceptual understanding and alternative conceptions about acids and bases. The study was conducted with 76 10th grade students from three classes of a chemistry course taught by the same teacher. One of the…
Descriptors: Experimental Groups, Control Groups, Achievement Tests, Chemistry
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Ozmen, Haluk; Demircioglu, Gokhan; Coll, Richard K. – International Journal of Science and Mathematics Education, 2009
The research reported here consists of the introduction of an intervention based on a series of laboratory activities combined with concept mapping. The purpose of this intervention was to enhance student understanding of acid-base chemistry for tenth grade students' from two classes in a Turkish high school. An additional aim was to enhance…
Descriptors: Concept Mapping, High School Students, Intervention, Pretests Posttests