标题：Determination of Preservice Chemistry Teachers’ Cognitive Structures via Flow Map Method and Their Knowledge Level on "Greenhouse Gases and Their Effects" Topic
期刊名称：Eurasian Journal of Physics and Chemistry Education
印刷版ISSN：1306-3049
出版年度：2012
卷号：4
期号：1
语种：English
出版社：Moment Publications
摘要：The purpose of the current study was three-fold. The first purpose was to examine preservice chemistry teachers’ cognitive structures in order to define their conceptual understanding and misconceptions of “greenhouse gases and their effects.” The second purpose was to determine their knowledge level regarding this topic by means of different kinds of concept tests. The third purpose was to analyze the correlation between the preservice chemistry teachers’ success on the tests and their conceptual understanding. Thirty preservice chemistry teachers from Hacettepe University participated in the study. To define their cognitive structures relevant to the topic, the flow map method was used. Correct Concept Test, Incorrect Concept Test and Multiple Choice Concept Test were used to determine their knowledge level of “greenhouse gases and their effects”. The analysis on the flow maps showed that they do not have enriched cognitive structures and lack knowledge. Also we observed that they have some misconceptions. It was determined that there is a significant, positive correlation between their success on the Correct Concept Test scores. However, their scores on the Incorrect Concept Test and Multiple Choice Concept Test were insignificant when assessed in relation to conceptual understandings.
