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psych.cognitive-load-index Calculator
Calculates cognitive load index from the number of interacting elements in a learning task, based on Sweller's cognitive load theory. Tasks with more than 7 interacting elements exceed working memory capacity — instructional design should chunk or scaffold them.
Inputs
Intrinsic Elements
Reference formula or conversion factor shown for context.
Element Interactivity
Reference formula or conversion factor shown for context.
Extraneous Factors
A multiplier applied in the calculation.
Germane Factors
A multiplier applied in the calculation.
Results
total cognitive load index
The combined total across all inputs and components.