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ERIC Number: EJ1008491
Record Type: Journal
Publication Date: 2013
Pages: 14
Abstractor: As Provided
ISSN: ISSN-0033-2933
Controlling Relations in Baseline Conditional Discriminations as Determinants of Stimulus Equivalence
de Rose, Julio C.; Hidalgo, Matheus; Vasconcellos, Mariliz
Psychological Record, v63 n1 p85-98 Win 2013
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. (Contains 1 table and 4 figures.)
Southern Illinois University Carbondale. Mailcode 4609, Rehabilitation Institute, Carbondale, IL 62901-4609. Tel: 618-536-7704; e-mail:; Web site:
Publication Type: Journal Articles; Reports - Research
Education Level: Elementary Education; Elementary Secondary Education
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers - Location: Brazil
Grant or Contract Numbers: N/A