Chapter 3: The Science of Learning
Based on Mayer’s Multimedia Learning (2nd Edition, 2009)
This chapter explores the cognitive processes underlying multimedia learning, emphasizing how instructional design can align with how the human mind processes and retains information. Mayer’s Cognitive Theory of Multimedia Learning (CTML) serves as the foundation, drawing from cognitive psychology and related theories.
1. Cognitive Theory of Multimedia Learning (CTML)
Mayer’s CTML is built on three core assumptions:
1.1 Dual-Channel Assumption (Paivio, 1986)
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Humans process information through two separate channels:
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Visual-Pictorial Channel: Processes images, graphics, animations, and spatial information.
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Verbal-Auditory Channel: Processes spoken words, written text, and linguistic information.
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This aligns with Paivio’s Dual-Coding Theory, which suggests that combining verbal and visual inputs enhances comprehension and retention.
1.2 Limited Capacity Assumption (Sweller, 1988; Baddeley, 1992)
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Each cognitive channel has a limited capacity, meaning learners can only process a finite amount of information at any given time.
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This aligns with Cognitive Load Theory (Sweller, 1988), which emphasizes the need to reduce unnecessary cognitive load in instructional design.
1.3 Active Processing Assumption (Mayer, 2001)
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Learning requires active cognitive engagement, where learners:
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Select relevant information.
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Organize it into a coherent structure.
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Integrate it with prior knowledge.
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This aligns with Constructivist Learning Theories (Piaget, Vygotsky), which emphasize that learners actively construct meaning rather than passively receiving information.
2. Cognitive Model of Multimedia Learning
Mayer’s model explains how learners process multimedia information through five steps:
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Presenting Words & Pictures: Learners receive verbal (spoken/written) and pictorial (images, animations) input.
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Selecting Relevant Words & Pictures: Learners filter out unnecessary information.
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Organizing Words & Pictures: Learners create separate mental models for verbal and visual content.
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Integrating Words & Pictures: Learners connect both models to prior knowledge.
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Creating Meaningful Learning: The final stage results in deep understanding and transfer.
This model highlights why redundant text and excessive visuals can overload cognitive capacity, hindering learning.
3. Visual and Verbal Systems
The professor’s notes emphasize the interplay between visual and verbal systems:
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Visual System: Processes information from images, associative structures, and nonverbal responses.
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Verbal System: Processes information from speech, associative structures, and verbal responses (e.g., logogens).
This dual-processing approach is central to Paivio’s Dual Coding Theory, which suggests that combining verbal and visual information enhances learning by providing two pathways for encoding and retrieval.
4. Cognitive Processing and Memory
Our brains are constantly bombarded with stimuli competing for attention. The process of learning involves:
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Sensory Input: Stimuli enter through sensory channels.
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Working Memory: Some information is transferred here, but most is lost.
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Long-Term Memory: Information must be organized meaningfully to be retained.
Mayer emphasizes that the brain’s capacity to handle information is limited. Therefore, multimedia learning environments must:
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Manage Essential Cognitive Processing: Focus on organizing and integrating key information.
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Foster Generative Cognitive Processing: Encourage deep understanding and application.
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Avoid Extraneous Cognitive Processing: Eliminate unnecessary distractions.
5. Implications for Multimedia Instruction
Mayer provides research-backed design principles for creating effective multimedia learning environments:
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Use Dual Modalities: Combine spoken narration with relevant visuals rather than relying on text-heavy presentations.
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Minimize Cognitive Overload: Avoid overwhelming learners with excessive information.
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Encourage Active Learning: Prompt learners to mentally organize and integrate information through activities.
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Leverage Prior Knowledge: Connect new multimedia content with what learners already know.
6. Applying Dual Coding Theory in Teaching
Paivio’s Dual Coding Theory can be applied in educational settings through:
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Visual Representation Strategies:
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Graphic Representations: Concept maps, timelines, posters.
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Physical Models and Manipulatives: Concrete models (e.g., paper models of the moon).
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Mental Pictures: Guided imagery (e.g., virtual field trips).
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Drawing and Pictographs: Students draw concepts (e.g., earth’s tilt in seasons).
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These strategies align with Mayer’s principles by reducing extraneous load and promoting meaningful learning.
7. Connections to Other Learning Theories
Mayer’s CTML builds on prior research:
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Dual-Coding Theory (Paivio, 1986): Supports the use of both verbal and visual channels for enhanced comprehension.
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Cognitive Load Theory (Sweller, 1988): Reinforces the importance of reducing extraneous load.
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Constructivism (Piaget, Vygotsky): Emphasizes active learning and meaningful integration.
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Working Memory Model (Baddeley, 1992): Suggests that verbal and visual memory operate in distinct but connected ways.
8. Objectives and Activities
By the end of this module, you should be able to:
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Describe how Paivio’s theory applies to your environment.
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Identify lessons that focus on extraneous vs. essential/generative processing.
Activities:
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Discussion/Blog: Reflect on how you use dual-coding theory in your teaching.
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Explore Visual Representation Tools: Use tools like Canva, Animoto, or SketchUp to create visual models.
9. Key Takeaways
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Dual Coding Theory: Combining verbal and visual information enhances learning.
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Cognitive Load Management: Focus on essential and generative processing while minimizing extraneous load.
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Practical Applications: Use visual representations, models, and mental imagery to support learning.
10. Conclusion
The science of learning provides a cognitive framework for understanding how multimedia can support or hinder learning. Mayer’s research underscores that well-designed multimedia instruction enhances learning by engaging both cognitive channels while managing cognitive load. These principles lay the foundation for later chapters, which explore specific multimedia design principles to improve instruction.
APA7 References for Key Theories
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Baddeley, A. D. (1992). Working memory. Science, 255(5044), 556–559. https://doi.org/10.1126/science.1736359
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Mayer, R. E. (2009). Multimedia learning (2nd ed.). Cambridge University Press.
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Paivio, A. (1986). Mental representations: A dual coding approach. Oxford University Press.
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Sweller, J. (1988). Cognitive load during problem solving: Effects on learning. Cognitive Science, 12(2), 257–285. https://doi.org/10.1207/s15516709cog1202_4
Mayer, R. E. (2020). Multimedia learning (3rd ed.). Cambridge University Press. https://doi.org/10.1017/9781316941355
Resources
- LTX-Talk LaTeX Class: https://github.com/josephwright/ltx-talk
- PDF/UA Standard: https://www.pdfa.org/resource/pdfua/
- Beamer Documentation: https://ctan.org/pkg/beamer
- PAC Accessibility Checker: https://www.access-for-all.ch/en/pdf-lab/pdf-accessibility-checker-pac.html
