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Direct linkSaka, Arzu; Cerrah, Lale; Akdeniz, Ali Riza; Ayas, Alipasa – Journal of Science Education and Technology, 2006
The study was carried out with 175 Turkish students by using drawings at different ages understanding of gene, DNA and chromosome concepts. Students from 8th, 9th, 11th grades and, science and biology student teachers were simply asked to draw the structure of gene, DNA and chromosome in a cell and also to give explanations about these three…
Descriptors: Foreign Countries, Genetics, Grade 8, Grade 9
Download full textCepni, Salih; Ozsevgec, Tuncay; Cerrah, Lale – Online Submission, 2004
Students' abstract reasoning abilities can differ from one society to another. Students' profiles play significant roles in these differences. The aim of the study is to determine the relationship between middle school students' cognitive development levels and their profiles (age, gender, and science achievement) using the Science Cognitive…
Descriptors: Foreign Countries, Grade 8, Middle School Students, Middle Schools
Çepni, Salih; Özsevgeç, Tuncay; Cerrah, Lale – Asia-Pacific Forum on Science Learning and Teaching, 2004
Students' abstract reasoning abilities can differ from one society to another. Students' profiles play significant roles in these differences. The aim of the study is to determine the relationship between middle school students' cognitive development levels and their profiles (age, gender, and science achievement) using the Science Cognitive…
Descriptors: Foreign Countries, Cognitive Development, Middle School Students, Abstract Reasoning
