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Document Type

Article

Abstract

The current experiment investigated the e,ffect of differential training histories on responses to a 5-term linear chain of nonsense syllables (described here with sequEmtial, alphabetical characters; AC I E>D), All-Less (AA I C>B I D>C I E>D. The contextual cues served as sample stimuli, and 2 nonsense words as comparison stimuli. Twenty unreinfmced probe trials were subsequently administered on all possibl€~ derived relations: directly trained, mutually entailed, and 1-, 2- and 3-node combinatorially entailed relation types. Comparisons of response latencies among 1-, 2-, and 3-node combinatorially entailed relations, for accurate performances on all 20 tHSt trials, indicated that the former produced significantly longer latencies than the latter 2 relations. Comparisons of response latencies across the 3 training structures indicated that latencies were significantly lower in the All-More condition relative to both the Less-More and the AIILess conditions. The effects of nodal distance are readily predicted by both associative accounts and Relational Frame Theory, but the effect of training structure is readily predicted only by the latter theory. The reported findings are also broadly in accordance with previous studies on relational inferences reported in the literature from mainstream cognitive psyc:hology.

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