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Using Three-Tier Diagnostic Test to Assess Students' Misconceptions of States of Matter
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Kirbulut, Zubeyde Demet; Geban, Omer – EURASIA Journal of Mathematics, Science & Technology Education, 2014
This study involves the development of a three-tier diagnostic test to measure high school students' understanding of states of matter concepts. The States of Matter Diagnostic Test (SMDT) is a 19-item three-tier diagnostic test consisting of three-tier items for assessing students' understanding of states of matter concepts. The SMDT was…
Descriptors: Student Evaluation, High School Students, Grade 10, Diagnostic Tests
Using Conceptual Change Texts with Analogies for Misconceptions in Acids and Bases
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Cetingul, Ipek; Geban, Omer – Hacettepe University Journal of Education, 2011
This study was conducted to explore the effectiveness of conceptual change oriented instruction over traditional instruction on students' understanding of acids and bases concept. Besides, effects of gender difference and science process skills on students' understanding of acids and bases were also investigated. Analysis of the results showed…
Descriptors: Science Process Skills, Gender Differences, Misconceptions, Conventional Instruction
The Effect of Conceptual Change Texts Oriented Instruction on Students' Understanding of the Solubility Equilibrium Concept
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Onder, Ismail; Geban, Omer – Hacettepe University Journal of Education, 2006
The present study aimed to investigate the effect of conceptual change texts oriented instruction on 10th grade students' understanding of solubility equilibrium concept. The misconceptions related to solubility equilibrium concept were obtained through interviews with high school chemistry teachers and related literature. The data were obtained…
Descriptors: Chemistry, Grade 10, Misconceptions, Scientific Concepts
Understanding of Acid-Base Concept by Using Conceptual Change Approach
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Cetingul, Puren Ipek; Geban, Omer – Hacettepe University Journal of Education, 2005
This study explores changes of the tenth-grade students' conceptions about acids and bases by using conceptual change text oriented instruction accompanied with analogies. Since conceptual change is viewed not only as a process of replacement of old concepts but also a process of learning to relate ideas to appropriate contexts, the instruction…
Descriptors: Experimental Groups, Control Groups, Concept Formation, Conventional Instruction