The exact change
"When total cognitive load exceeds available working memory capacity, learning fails. The productive intervention is not to reduce intrinsic load (which cannot be done without reducing content) but to eliminate extraneous load -- the unnecessary cognitive burden added by poor organization, distractions, and inefficient presentation." -- Dr. John Sweller, School of Education, University of New South Wales
When total cognitive load exceeds available working memory capacity, learning fails. Under Sweller's cognitive load theory, the productive intervention is not to reduce intrinsic load, which cannot be done without reducing content, but to eliminate extraneous load: the unnecessary cognitive burden added by poor organization, distractions, and inefficient presentation.
Suggested change
De-attributed the quote to plain unattributed prose, connecting it to Sweller's genuine cognitive load theory rather than presenting it as a direct quotation.
Why this is better
Removed an unverified quote attributed to Dr. John Sweller presented in generic textbook-summary phrasing with no citation. Converted to unattributed prose, connecting it to Sweller's genuine cognitive load theory rather than presenting it as a direct quotation.
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