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Autor/inn/en | Ali, Numan; Ullah, Sehat; Khan, Dawar |
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Titel | Minimization of Students' Cognitive Load in a Virtual Chemistry Laboratory via Contents Optimization and Arrow-Textual Aids |
Quelle | In: Education and Information Technologies, 27 (2022) 6, S.7629-7652 (24 Seiten)Infoseite zur Zeitschrift
PDF als Volltext |
Sprache | englisch |
Dokumenttyp | gedruckt; online; Zeitschriftenaufsatz |
ISSN | 1360-2357 |
DOI | 10.1007/s10639-022-10936-6 |
Schlagwörter | Cognitive Processes; Difficulty Level; Electronic Learning; Chemistry; Computer Simulation; Science Laboratories; Science Experiments; Visual Aids; Science Achievement; Computer Assisted Instruction |
Abstract | Virtual Chemistry Laboratories (VCLs) are used as an alternative to the physical laboratories, where users can enhance their performance for hands-on chemistry experiments. However, cognitive load and other issues make the VCLs impractical. The issue of cognitive load arises due to the complexity of the environment by displaying a number of chemicals, glass wares, and other lab equipments in the VCL. In this paper, we first investigate the field experts about the practical use of the VCLs and then propose a Purpose-built Virtual Chemistry Laboratory (PbVCL) with arrow textual aids to minimize the cognitive load and improve the learning efficiency. PbVCL displays only specific chemicals and glass wares, used in the current experiment while hiding other equipments. Students simulate their chemistry experiments with the help of arrow-textual aids (i.e., textual and an arrow guidance). Users complete the experimental tasks in the PbVCL following the arrow-textual aids. During evaluations, seventy-six (76) students perform the experiments in four different groups using four different experimental conditions. Evaluations revealed that the proposed PbVCL with arrow-textual aids improve students' performance on the basis of various aspects such as time and errors while conducting experiment. (As Provided). |
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Erfasst von | ERIC (Education Resources Information Center), Washington, DC |
Update | 2024/1/01 |