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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
Akkus, Huseyin; Kadayifci, Hakki; Atasoy, Basri; Geban, Omer – Research in Science & Technological Education, 2003
The purpose of this study was to identify misconceptions concerning chemical equilibrium concepts and to investigate the effectiveness of instruction based on the constructivist approach over traditional instruction on 10th grade students' understanding of chemical equilibrium concepts. The subjects of this study consisted of 71 10th grade…
Descriptors: Instructional Effectiveness, Grade 10, Statistical Analysis, Misconceptions
Canpolat, Nurtac; Pinarbasi, Tacettin; Bayrakceken, Samih; Geban, Omer – Research in Science & Technological Education, 2006
This study investigates the effect of a conceptual change approach over traditional instruction on students' understanding of chemical equilibrium concepts (e.g. dynamic nature of equilibrium, definition of equilibrium constant, heterogeneous equilibrium, qualitative interpreting of equilibrium constant, changing the reaction conditions). This…
Descriptors: Chemistry, Science Instruction, Undergraduate Students, Introductory Courses
