What parents can take from this research
Short practice can be useful when it is part of a repeated schedule rather than an isolated one-off burst.
What the research found
Spacing benefits have been demonstrated across memory, problem solving and generalisation tasks, and can be combined with retrieval practice.
Full citation
Sean H. K. Kang (2016). Spaced repetition promotes efficient and effective learning. Policy Insights from the Behavioral and Brain Sciences. DOI: 10.1177/2372732215624708.
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