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50 Years of ERIC
50 Years of ERIC
The Education Resources Information Center (ERIC) is celebrating its 50th Birthday! First opened on May 15th, 1964 ERIC continues the long tradition of ongoing innovation and enhancement.

Learn more about the history of ERIC here. PDF icon

Showing all 4 results
Investigating the Effectiveness of Teaching Methods Based on a Four-Step Constructivist Strategy
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Calik, Muammer; Ayas, Alipasa; Coll, Richard K. – Journal of Science Education and Technology, 2010
This paper reports on an investigation of the effectiveness an intervention using several different methods for teaching solution chemistry. The teaching strategy comprised a four-step approach derived from a constructivist view of learning. A sample consisting of 44 students (18 boys and 26 girls) was selected purposively from two different Grade…
Descriptors: Constructivism (Learning), Chemistry, Grade 9, Teaching Methods
Investigating the Effectiveness of a Constructivist-Based Teaching Model on Student Understanding of the Dissolution of Gases in Liquids
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Calik, Muammer; Ayas, Alipasa; Coll, Richard K.; Unal, Suat; Costu, Bayram – Journal of Science Education and Technology, 2007
The research presented in this paper consisted of an investigation of the effectiveness of a four-step constructivist-based teaching activity on student understanding of how pressure and temperature influence the dissolution of a gas in a liquid. Some 44 Grade 9 students (18 boys and 26 girls) selected purposively from two school classes in the…
Descriptors: Constructivism (Learning), Student Attitudes, Teaching Models, Long Term Memory
Facilitating Conceptual Change in Students' Understanding of Boiling Concept
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Costu, Bayram; Ayas, Alipasa; Niaz, Mansoor; Unal, Suat; Calik, Muammer – Journal of Science Education and Technology, 2007
The objective of this study was to construct a teaching strategy for facilitating students' conceptual understanding of the boiling concept. The study is based on 52 freshman students in the primary science education department. Students' ideas were elicited by a test consisting of nine questions. Conceptual change strategy was designed based on…
Descriptors: Schools of Education, Long Term Memory, Concept Formation, Statistical Analysis
A Cross-Age Study of the Understanding of Three Genetic Concepts: How Do They Image the Gene, DNA and Chromosome?
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Saka, 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