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Different types of redundancy and their effect on learning and cognitive load
Fabian Albers1, Melanie Trypke2, Ferdinand Stebner2
1Ruhr University Bochum, Bochum, Germany.
The British Journal of Educational Psychology
|February 12, 2023
Summary
Content redundancy enhances learning and reduces cognitive load, while modal redundancy hinders learning and increases cognitive load. Distinguishing these types is crucial for effective multimedia learning material design.
Area of Science:
- Cognitive psychology
- Educational technology
- Learning sciences
Background:
- Redundancy in learning materials is often considered detrimental.
- Two theoretical perspectives exist: content overlap straining cognitive capacity and ineffective source combination overloading working memory.
Purpose of the Study:
- To experimentally differentiate and compare the effects of content redundancy and modal redundancy.
- To investigate the main and interaction effects of these two distinct types of redundancy.
Main Methods:
- A 2x2 within-subject design was employed to experimentally compare redundancy types.
- University students (N=46) learned from specially designed, domain-general materials to isolate redundancy effects.
Main Results:
- Content redundancy was found to improve learning outcomes and decrease cognitive load.
- Modal redundancy was observed to decrease learning outcomes and increase cognitive load.
Conclusions:
- Empirical evidence supports the theoretical distinction between content and modal redundancy.
- Findings offer practical insights for educators to optimize multimedia learning material design.
Keywords:
a cognitive theory of multimedia learningcognitive load theorymultimedia learningredundancyMore Related Videos
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