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Contribution of an Instructional Module Incorporating PhET Simulations to Rwandan Students' Knowledge of Chemical Reactions, Acids, and Bases through Social Interactions
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Jean-Baptiste Ndagijimana; Jeannette Musengimana; Henriette Mushimiyimana; Evode Mukama; Olivier Habimana; Paulin Manirakiza; Jean Claude Dushimimana; Jean Pierre Alpha Munyaruhengeri; Samia Khan; Elizabeth Lakin – Chemistry Education Research and Practice, 2025
The current study ascertained the influence an instructional module had on enhancing students' understanding of chemical reactions and acid-base topics. The sample size for this study consisted of 197 students, including 101 in an "experimental" group and 96 in a "control" group, selected from schools in two Districts…
Descriptors: Foreign Countries, Secondary School Science, Secondary School Students, Chemistry
Supporting Submicroscopic Reasoning in Students' Explanations of Absorption Phenomena Using a Simulation-Based Activity
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Natalia Spitha; Yujian Zhang; Samuel Pazicni; Sarah A. Fullington; Carla Morais; Amanda Rae Buchberger; Pamela S. Doolittle – Chemistry Education Research and Practice, 2024
The Beer-Lambert law is a fundamental relationship in chemistry that helps connect macroscopic experimental observations (i.e., the amount of light exiting a solution sample) to a symbolic model composed of system-level parameters (e.g., concentration values). Despite the wide use of the Beer-Lambert law in the undergraduate chemistry curriculum…
Descriptors: Chemistry, Science Instruction, Undergraduate Students, Scientific Principles
Increasing Chemistry Students' Knowledge, Confidence, and Conceptual Understanding of pH Using a Collaborative Computer pH Simulation
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Watson, Sandy White; Dubrovskiy, Anton V.; Peters, Michelle L. – Chemistry Education Research and Practice, 2020
The purpose of this quasi-experimental non-equivalent pretest posttest control group research was to determine whether or not the use of a collaborative pH computer simulation has an impact on the knowledge, confidence, and conceptual understanding of fundamental pH concepts for undergraduate Chemistry II students. A purposeful sample of 59…
Descriptors: Chemistry, Science Instruction, Comparative Analysis, Undergraduate Students