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Direct linkAyyildiz, Yildizay; Tarhan, Leman – Research in Science & Technological Education, 2018
Background: Problem-based learning (PBL) as a teaching strategy has recently become quite widespread in especially chemistry classes. Research has found that students, from elementary through college, have many alternative conceptions regarding "enthalpy changes in systems." Although there are several studies focused on identifying…
Descriptors: Problem Based Learning, Chemistry, Science Instruction, Pretests Posttests
Tarhan, Leman; Ayyildiz, Yildizay – Journal of Biological Education, 2015
The effect of problem-based learning (PBL) applications in an undergraduate biochemistry course on students' interest in this course was investigated through four modules during one semester. Students' views about active learning and improvement in social skills were also collected and evaluated. We conducted the study with 36 senior students from…
Descriptors: Problem Based Learning, Undergraduate Study, College Science, Biochemistry
Ayyildiz, Yildizay; Tarhan, Leman – Chemistry Education Research and Practice, 2013
This study aims at investigating the effects of case studies developed by the researchers on Science Teaching students' understanding of "gases, liquids and solids," and their attitudes towards chemistry lessons. The study was conducted on 52 freshmen from the Department of Science Teaching at a university in Turkey. Pre-test and…
Descriptors: Case Studies, Chemistry, Science Instruction, College Science
Tarhan, Leman; Ayyildiz, Yildizay; Ogunc, Aylin; Sesen, Burcin Acar – Research in Science & Technological Education, 2013
Background: Cooperative learning is an active learning approach in which students work together in small groups to complete an assigned task. Students commonly find the subject of "physical and chemical changes" difficult and abstract, and thus they generally have many misconceptions about it. Purpose: This study aimed to investigate the…
Descriptors: Elementary School Science, Science Instruction, Learning Activities, Cooperative Learning
Ayyildiz, Yildizay; Tarhan, Leman – Hacettepe University Journal of Education, 2012
The purpose of this study was to investigate the effect of case studies on Primary School Teaching students' attitudes toward chemistry lesson. The study was conducted on 63 freshmen from Department of Primary School Teaching at a university in Turkey. The students were taught using case studies about the subjects of Properties and States of…
Descriptors: Chemistry, Student Attitudes, Foreign Countries, Case Studies
