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Direct linkJ. Parthasarathy – Cogent Education, 2023
In the present study, text presentation in biology textbooks was analyzed with respect to misconception and elements of conceptual change towards the learning of "Cell Structure". Content analysis of the lesson "Cell Structure" in five biology textbooks of Grades 11 and 12 across selected educational boards in Asia like the…
Descriptors: Biology, Textbooks, Textbook Content, Cytology
Download full textAchmad Samsudin; Aldi Zulfikar; Duden Saepuzaman; Andi Suhandi; Adam Hadiana Aminudin; Supriyadi Supriyadi; Bayram Costu – Journal of Turkish Science Education, 2024
This study aims to reconstruct Grade 11 students' misconceptions about force through the Conceptual Change Model (CCM) making use of Predict, Discuss, Explain, Observe, Discuss, Explore, Explain (PDEODEE) tasks. This study was conducted using a mixedmethod approach. The participants in this study were 65 students (33 students in the experiment…
Descriptors: Scientific Concepts, Concept Formation, Misconceptions, Foreign Countries
Akaygun, Sevil – Chemistry Education Research and Practice, 2016
Visualizing the chemical structure and dynamics of particles has been challenging for many students; therefore, various visualizations and tools have been used in chemistry education. For science educators, it has been important to understand how students visualize and represent particular phenomena--i.e., their mental models-- to design more…
Descriptors: High School Students, Secondary School Science, Grade 10, Grade 11
Kimberlin, Stephanie; Yezierski, Ellen – Journal of Chemical Education, 2016
Students' inaccurate ideas about what is represented by chemical equations and concepts underlying stoichiometry are well documented; however, there are few classroom-ready instructional solutions to help students build scientifically accurate ideas about these topics central to learning chemistry. An intervention (two inquiry-based activities)…
Descriptors: Stoichiometry, High School Students, Chemistry, Intervention
Ayyildiz, Yildizay; Tarhan, Leman – Hacettepe University Journal of Education, 2012
The purpose of this study was to determine the relationship between the basic concepts related to the unit of "Chemical Reactions and Energy" and the sub-concepts underlying for meaningful learning of the unit and to investigate the effectiveness of them on students' learning achievements. For this purpose, the basic concepts of the unit…
Descriptors: Experimental Groups, Control Groups, Test Results, Grade 11
Strunk, Catherine M.; King, Keith A.; Vidourek, Rebecca A.; Sorter, Michael T. – Health Education & Behavior, 2014
Youth suicide is a serious public health issue in the United States. It is currently the third leading cause of death for youth aged 10 to 19. School-based prevention programs may be an effective method of educating youth and enhancing their help-seeking. Most school-based suicide prevention programs have not been rigorously evaluated for their…
Descriptors: Program Effectiveness, Adolescents, Suicide, Prevention
Yalcinkaya, Eylem; Tastan-Kirik, Ozgecan; Boz, Yezdan; Yildiran, Demet – Research in Science & Technological Education, 2012
Background: Case-based learning (CBL) is simply teaching the concept to the students based on the cases. CBL involves a case, which is a scenario based on daily life, and study questions related to the case, which allows students to discuss their ideas. Chemical kinetics is one of the most difficult concepts for students in chemistry. Students…
Descriptors: Foreign Countries, Experimental Groups, Control Groups, Kinetics
Sesen, Burcin Acar; Tarhan, Leman – Research in Science & Technological Education, 2011
Background and purpose: Active-learning as a student-centered learning process has begun to take more interest in constructing scientific knowledge. For this reason, this study aimed to investigate the effectiveness of active-learning implementation on high-school students' understanding of "acids and bases". Sample: The sample of this…
Descriptors: Experimental Groups, Control Groups, Achievement Tests, Foreign Countries
Calik, Muammer; Kolomuc, Ali; Karagolge, Zafer – Journal of Science Education and Technology, 2010
This paper reports on an investigation of the effect of conceptual change pedagogy on students' conceptions of "rate of reaction" concepts. The study used a pre-test/post-test non-equivalent comparison group design approach and the sample consisted of 72 Turkish grade-11 students (aged 16-18 years) selected from two intact classrooms.…
Descriptors: Foreign Countries, Intervention, Concept Formation, Teaching Methods
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
Tsai, Chia-Hsing; Chen, Hsueh-Yu; Chou, Ching-Yang; Lain, Kuen-Der – International Journal of Science Education, 2007
The purpose of this study was to report the results of a nationwide survey of Taiwanese high schools students' understandings about electric circuits. The study involved two stratified random samples consisting of 7,145 students in Grades 8 and 9, and 2,857 students in Grade 11, accounting for about 2.3% of the total enrolment in the corresponding…
Descriptors: Foreign Countries, Grade 8, Grade 9, Grade 11
Effect of Cooperative Learning Strategies on Students' Understanding of Concepts in Electrochemistry
Acar, Burcin; Tarhan, Leman – International Journal of Science and Mathematics Education, 2007
The present study was conducted to investigate the degree of effectiveness of cooperative learning instruction over a traditional approach on 11th grade students' understanding of electrochemistry. The study involved forty-one 11th grade students from two science classes with the same teacher. To determine students' misconceptions concerning…
Descriptors: Constructivism (Learning), Chemistry, Learning Strategies, Cooperative Learning
Amir, Ruth; Tamir, Pinchas – 1991
The use and analysis of student generated propositions linking two scientific concepts (photosynthesis and respiration) were examined before and after the study of photosynthesis. A proposition-generating task (PGT) was used as a diagnostic tool to indicate student misconceptions and partial understandings. Focus was on determining: how the nature…
Descriptors: Biology, Comparative Analysis, Concept Formation, Concept Teaching
