What cognitive load theory actually changes
Cognitive load theory is often cited and rarely applied. Three concrete implications for lesson design.
Amelia FordJun 2, 20261 min readWorking memory is small and easily overwhelmed. Most of what cognitive load theory recommends follows from taking that seriously.
Use worked examples early
When something is new, showing a fully worked solution frees attention for understanding the method rather than flailing at the problem.
Cut the extraneous
Split attention between a diagram and a separate caption, decorative slides, unnecessary jargon — each adds load that buys nothing.
Fade support as expertise grows
What helps a novice slows an expert. Remove scaffolds deliberately as students get fluent.
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