Modality Effect
Pairing visuals with spoken words spreads mental load and aids learning.
Evidence: well established. We label every concept honestly, and say so when it's a teaching model. How we rate evidence.
Shrink Definition
The modality effect is the finding that people can learn better when information is split across seeing and hearing rather than crammed into one channel. Pairing a visual diagram with a spoken explanation uses both the visual and auditory parts of working memory. This spreads the load and can improve understanding. It's a practical principle for multimedia learning.
Plain language
We can learn better when information is split across seeing and hearing.
Shrink Insight
Two senses can carry more than one overloaded channel.
Why it matters
It guides multimedia design by balancing visual and spoken information. It helps avoid overloading a single channel.
Common misunderstanding
People think putting everything on the screen as text is clearest. Pairing visuals with narration often works better than text plus visuals.
Shrink Perspective
Let the eyes and ears share the load.
Shrink Reflection
Would a slide work better as an image with narration?
Shrink Step
When presenting, pair a visual with spoken words rather than dense on-screen text.
Shrink Minute
Notice whether a slide would work better as an image with narration.
Shrink Takeaway
Split information across senses to ease learning.
Medical boundary
This concept is educational and shouldn't be used to self-diagnose. It doesn't replace care from a licensed clinician. Symptoms, medication, and treatment decisions should be discussed with a qualified professional, and emergency symptoms require emergency care.
Evidence summary
A well-supported principle in multimedia learning and cognitive load research.
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