Controlling Relations in Baseline Conditional Discriminations as Determinants of Stimulus Equivalence

Controlling Relations in Baseline Conditional Discriminations as Determinants of Stimulus... Variation in baseline controlling relations is suggested as one of the factors determining variability in stimulus equivalence outcomes. This study used single-comparison trials attempting to control such controlling relations. Four children learned AB, BC, and CD conditional discriminations, with 2 samples and 2 comparison stimuli. In Condition A, a mask always covered the S+ or the S−, each in 50% of the training trials, ensuring both sample-S+ and sample-S−controlling relations. In subsequent tests, children showed immediate equivalence formation. Condition B trained the same sequence of conditional discriminations with different stimuli, attempting to prevent sample-S+ control in the BC conditional discrimination. Two children did not show equivalence, whereas the other 2 did. Probes suggested that children who formed equivalence in Condition B acquired sample-S+ relations, even with training designed to prevent them. Results indicate that acquisition of both sample-S+ and sample-S− relations increases the probability of immediate equivalence formation. The Psychological Record Springer Journals

Controlling Relations in Baseline Conditional Discriminations as Determinants of Stimulus Equivalence

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Springer International Publishing
Copyright © 2013 by Association of Behavior Analysis International
Psychology; Psychology, general
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