Stimulus selection and meaningfulness at different stages of paired-associate learning.

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Abstract
Presented redundant-stimulus paired associates (PAs) consisting of word-trigram stimuli and digit responses (e.g., cat + bwd:0) for practice to different degrees of PA learning (either 1, 2, 3, 5, 1 perfect, or 5 perfect trials). 12 subgroups of undergraduates (N = 114) were tested for intercue associations or for cue selection. Ss relied almost exclusively on the word cues at all stages of learning. Prior to overlearning (5 perfect trials), there was no evidence for the existence of either trigram:response or trigram:word associations. Following overlearning, however, a parallel increase was observed in both. It is concluded that the hypothesis of indirect association of lower meaningfulness cues and responses (i.e., trigram:word:response associations) is sufficient to "explain" the parallel rise in availability of apparent trigram:response and trigram:word associations. (PsycINFO Database Record (c) 2006 APA, all rights reserved)

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