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Download full textAngela Elisabeth Stott – Journal of Chemical Education, 2023
Presenters' pedagogical choices are strongly affected by whether they view knowledge as coherent or fragmented. This mixed-methods survey study seeks to contribute to epistemological discussions and associated pedagogical suggestions in the context of mole ratio related mistakes evident in stoichiometry calculations performed by in-service…
Descriptors: Stoichiometry, Faculty Development, Error Patterns, Developing Nations
Direct linkStott, Angela – Journal of Chemical Education, 2020
Teachers' conceptual subject matter knowledge of stoichiometry is a global concern. Such knowledge is contextually dependent, as is the feasibility of attaining particular outcomes during in-service teacher education workshops. In an attempt to understand what is feasible in various contexts, I explore the relationships between South African…
Descriptors: Stoichiometry, Knowledge Level, Foreign Countries, Science Teachers
Stott, Angela Elisabeth – Chemistry Education Research and Practice, 2021
Stoichiometry calculation competence tends to be particularly poor in the developing world, even among teachers. Various methods, including the unit factor method, have the potential to be effective in developing such competence. To evaluate the likelihood of such a generic proportion method, which downplays traditional formula usage, succeeding…
Descriptors: Stoichiometry, Science Teachers, Teacher Competencies, Knowledge Level
Malcolm, Stephen Andrew; Mavhunga, Elizabeth; Rollnick, Marissa – African Journal of Research in Mathematics, Science and Technology Education, 2019
Stoichiometry, which deals with the quantitative aspects of Chemistry, is a topic students find challenging and which teachers struggle to teach. South African students' performance in stoichiometry in the final matriculation examinations has led to calls for the topic to be taught better and highlighted the need for teacher professional…
Descriptors: Pedagogical Content Knowledge, Stoichiometry, Test Validity, Test Reliability
Kotoka, Love; Kriek, Jeanne – Journal of Baltic Science Education, 2022
Learners underperform in stoichiometry as they lack conceptual reasoning of the underlying concepts and the ability to solve stoichiometric problems. Therefore, it was necessary to determine if there is a statistical correlation between problem-solving skills and conceptual reasoning in stoichiometry and if so, whether one can significantly…
Descriptors: Prediction, Correlation, Science Instruction, Chemistry
Mamombe, Charles; Mathabathe, Kgadi C.; Gaigher, Estelle – EURASIA Journal of Mathematics, Science and Technology Education, 2021
This study explored the perceptions of teachers and learners regarding the use of Process Oriented Guided Learning Inquiry Learning (POGIL) to teach stoichiometry. A qualitative case study was carried out at two conveniently and purposively sampled township schools in Pretoria, South Africa. For this purpose, two Grade 11 physical sciences classes…
Descriptors: Teacher Attitudes, Student Attitudes, Stoichiometry, Chemistry
