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Likourezos, Vicki; Kalyuga, Slava – Mathematics Education Research Group of Australasia, 2019
The variability effect occurs when learners' exposure to highly variable tasks results in better learning. It was hypothesised that learners who studied high variability worked examples would obtain higher post-test scores compared to learners who studied low variability examples, and learners who self-generated problem solutions for the same high…
Descriptors: Teaching Methods, Cognitive Ability, Pretests Posttests, Learning Theories