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Direct linkKirbulut, 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
Kingir, Sevgi; Geban, Omer – Hacettepe University Journal of Education, 2012
The purpose of the present study was to investigate the effect of conceptual change text oriented instruction compared to traditional instruction on 10th grade students' understanding of reaction rate concepts. 45 students from two classes of the same teacher in a public high school participated in this study. Students in the experimental group…
Descriptors: Chemistry, Secondary School Science, Science Instruction, Scientific Concepts
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
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
