作者: Richard E. Mayer
DOI: 10.1017/CBO9780511816819.012
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摘要: Abstract When a concise narrated animation containing complicated material is presented at fast rate, the result can be form of cognitive overload called essential overload. Essential occurs when amount processing (similar to intrinsic load) required understand multimedia instructional message exceeds learner's capacity. Three design methods intended minimize are segmenting, pretraining, and modality principles. The segmenting principle that people learn more deeply in learner-paced segments rather than as continuous unit. This was supported three out experimental tests, yielding median effect size 0.98. pretraining from they know names characteristics main concepts. seven 0.92. words spoken printed. 21 0.97.