Cognitive load in algebra : Element interactivity in solving equations

Journal article


Ngu, Bing, Chung, Siu and Yeung, See. (2015) Cognitive load in algebra : Element interactivity in solving equations. Educational Psychology : An international journal of experimental educational psychology. 35(3), pp. 271 - 293. https://doi.org/10.1080/01443410.2013.878019
AuthorsNgu, Bing, Chung, Siu and Yeung, See
Abstract

Central to equation solving is the maintenance of equivalence on both sides of the equation. However, when the process involves an interaction of multiple elements, solving an equation can impose a high cognitive load. The balance method requires operations on both sides of the equation, whereas the inverse method involves operations on one side only. In an experiment, middle school students (Nā€‰=ā€‰71) were randomly assigned to the balance and inverse methods to complete a pre-test, an acquisition phase and a post-test. Pre-test and post-test comparisons found that the inverse group outperformed the balance group for those equations that involved high element interactivity. Instructional efficiency measures further confirmed that the balance method imposed higher cognitive load. The inverse method was capable of reducing cognitive load due to the interacting elements.

Year2015
JournalEducational Psychology : An international journal of experimental educational psychology
Journal citation35 (3), pp. 271 - 293
ISSN0144-3410
Digital Object Identifier (DOI)https://doi.org/10.1080/01443410.2013.878019
Page range271 - 293
Research GroupInstitute for Positive Psychology and Education
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https://acuresearchbank.acu.edu.au/item/89q26/cognitive-load-in-algebra-element-interactivity-in-solving-equations

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