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Using Laboratory Activities Enhanced with Concept Cartoons to Support Progression in Students' Understanding of Acid-Base Concepts
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Ozmen, Haluk; Demircioglu, Gokhan; Burhan, Yasemin; Naseriazar, Akbar; Demircioglu, Hulya – Asia-Pacific Forum on Science Learning and Teaching, 2012
The aim of this study is to examine the effectiveness of an intervention based on a series of laboratory activities enhanced with concept cartoons. The purpose of the intervention was to enhance students' understanding of acid-base chemistry for eight grade students' from two classes in a Turkish primary school. A pretest-posttest non-equivalent…
Descriptors: Science Achievement, Chemistry, Intervention, Cartoons
Effect of Animation Enhanced Conceptual Change Texts on 6th Grade Students' Understanding of the Particulate Nature of Matter and Transformation During Phase Changes
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Ozmen, Haluk – Computers & Education, 2011
In this study, the effect of animation enhanced conceptual change texts (CCT-CA) on grade 6 students' understanding of the particulate nature of matter (PNM) and transformation during the phase changes was investigated. A quasi-experimental design and one control group (CG, N = 25) and one experimental group (EG, N = 26) were used. While the…
Descriptors: Chemistry, Grade 6, Conventional Instruction, Science Instruction
The Effects of Conceptual Change Texts Accompanied with Animations on Overcoming 11th Grade Students' Alternative Conceptions of Chemical Bonding
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Ozmen, Haluk; Demircioglu, Hulya; Demircioglu, Gokhan – Computers & Education, 2009
This paper aims to determine the effect of conceptual change texts accompanied with computer animations on 11th grade students' understanding and alternative conceptions related to chemical bonding. One experimental group (EG; N = 28) and one comparison group (CG; N = 30) were used in the study. While the comparison group taught traditional…
Descriptors: Experimental Groups, Achievement Tests, Chemistry, Grade 11
A Comparative Study of the Effects of a Concept Mapping Enhanced Laboratory Experience on Turkish High School Students' Understanding of Acid-Base Chemistry
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Ozmen, Haluk; Demircioglu, Gokhan; Coll, Richard K. – International Journal of Science and Mathematics Education, 2009
The research reported here consists of the introduction of an intervention based on a series of laboratory activities combined with concept mapping. The purpose of this intervention was to enhance student understanding of acid-base chemistry for tenth grade students' from two classes in a Turkish high school. An additional aim was to enhance…
Descriptors: Concept Mapping, High School Students, Intervention, Pretests Posttests
The Effectiveness of Conceptual Change Texts in Remediating High School Students' Alternative Conceptions Concerning Chemical Equilibrium
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Ozmen, Haluk – Asia Pacific Education Review, 2007
This study investigated the effectiveness of conceptual change texts in remediating high school students' alternative conceptions concerning chemical equilibrium. A quasi-experimental design was used in this study. The subjects for this study consisted of a total 78 tenth-grade students, 38 of them in the experimental group and 40 of them in the…
Descriptors: Experimental Groups, Control Groups, Quasiexperimental Design, Chemistry