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Direct linkNakiboglu, Canan – Chemistry Education Research and Practice, 2023
The topic of physical and chemical changes is one of the basic and essential issues of both the lowersecondary school science curriculum and the upper-secondary school chemistry curriculum in many countries. The focus of the present study is to investigate the students' cognitive structures on the topic of physical and chemical changes at…
Descriptors: Chemistry, Science Instruction, Secondary School Students, Cognitive Structures
DeCocq, Victoria; Bhattacharyya, Gautam – Chemistry Education Research and Practice, 2019
We report our qualitative study of twenty-four students enrolled in the second-semester of a second-year undergraduate (sophomore-level) organic chemistry course, Organic Two. We asked the research participants to propose the product and electron-pushing mechanism of elementary mechanistic steps in the absence and presence of the corresponding…
Descriptors: Organic Chemistry, Undergraduate Students, College Science, Teaching Methods
Hrin, Tamara; Milenkovic, Dušica; Segedinac, Mirjana – Chemistry Education Research and Practice, 2018
The importance of well elaborated cognitive structures in a science knowledge domain has been noted in many studies. Therefore, the main aim of this particular study was to employ a new diagrammatic assessment approach, students' generated systemic synthesis questions (SSynQs), to evaluate and compare the quality of high school students' and…
Descriptors: Foreign Countries, High School Students, Preservice Teachers, Cognitive Structures
Derman, Aysegul; Eilks, Ingo – Chemistry Education Research and Practice, 2016
Understanding students' cognitive structures in a specific knowledge domain helps to determine the ''what, how and why'' features of such knowledge, so that we can take these structures into consideration in teaching. The purpose of the present study was to identify students' cognitive structures about solution and dissolution concepts. The study…
Descriptors: High School Students, Chemistry, Science Instruction, Cognitive Structures
Supasorn, Saksri – Chemistry Education Research and Practice, 2015
This study aimed to develop the small-scale experiments involving electrochemistry and the galvanic cell model kit featuring the sub-microscopic level. The small-scale experiments in conjunction with the model kit were implemented based on the 5E inquiry learning approach to enhance students' conceptual understanding of electrochemistry. The…
Descriptors: Grade 12, Cytology, Science Experiments, Energy
Smith, K. Christopher; Nakhleh, Mary B.; Bretz, Stacey Lowery – Chemistry Education Research and Practice, 2010
This paper describes an expanded framework to aid chemical educators in constructing exams for their courses. The framework has three primary levels: definition, algorithmic, and conceptual. These primary levels have often been used in chemical education research to analyze and describe exam questions, but in this study the definition,…
Descriptors: Chemistry, Science Teachers, Test Construction, Educational Research
