Optimal potentiating effects and forgetting-prevention effects of tests in paired-associate learning.

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Abstract
Conducted 5 experiments with a total of 323 undergraduates with several repetitive reinforcement-test (R-T) sequences varied with respect to m, the number of unreinforced T trials/replication in Condition RT1…Tm. No limit was observed in the forgetting-prevention effects of Ts. Performance levels stayed strikingly constant within any block of consecutive Ts, indicating that neither significant learning nor forgetting occurred over as many as 19 successive unreinforced tests. In contrast, the potentiating effects of T trials were demonstrated to have an optimal point: the effects progressively increased from Condition RT (m = 1) to Condition RT1…T7 (m = 7), where a maximum point was reached, decreased slightly as m increased further, and reached an asymptote soon therafter. (PsycINFO Database Record (c) 2006 APA, all rights reserved)

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