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Ziegler, Esther; Edelsbrunner, Peter A.; Star, Jon R. – Journal of Educational Psychology, 2019
Introducing new concepts to learners in an order of increasing complexity appears to be beneficial for learning, but typically introduction of concepts does not always adhere to this principle. We examined whether introducing new algebra concepts in a contrasted manner or in an order of increasing complexity instead of a different more typical…
Descriptors: Interference (Learning), Difficulty Level, Algebra, Mathematics Instruction