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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
Kaya, Osman Nafiz; Kilic, Ziya – Online Submission, 2004
Student-centered approach of scoring the concept maps consisted of three elements namely symbol system, individual portfolio and scoring scheme. We scored student-constructed concept maps based on 5 concept map criteria: validity of concepts, adequacy of propositions, significance of cross-links, relevancy of examples, and interconnectedness. With…
Descriptors: Concept Mapping, Validity, Prior Learning, Achievement Tests