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Failure to Produce False Memories Through the Stimulus Equivalence Paradigm1 1 Paper derived from the doctoral dissertation of the first author under supervision of the last author, defended in 2014, in the Graduate Program in Psychology at Universidade Federal de São Carlos. Support: National Council for Scientific and Technological Development (Portuguese acronym: CNPQ, Grant No. 465686/2014-1, 573972/2008-7) e São Paulo Research Foundation (FAPESP, Grant No. 08/57705-8, 10/08399-1 e 2014/50909-8).

Fracasso em Produzir Falsas Memórias por Meio do Paradigma da Equivalência de Estímulos

Fracaso en Producir Falsas Memorias por el Paradigma de la Equivalencia de Estímulos

Abstract

Stimulus equivalence has been adopted as a behavioral explanation for false memories. The present study aimed to test false memories using lists compound of equivalent stimuli. 10 undergraduate students learned three 4-member (Classes 1, 2, 3) and three 12-member equivalence classes (Classes 4, 5, 6). A week later these participants performed a recognition test. Participants first saw a study list comprising 10 of the 12 stimuli from Classes 4, 5 and 6. Later, they saw a list comprising all stimuli from study list (targets), the remaining stimuli from the Classes 4, 5 and 6 (critical lures) and nine stimuli from Classes 1, 2 and 3 (non-related lures). Due to the equivalence relation between targets and critical lure, it was expected that the second would be recognize as much as the first, but results indicated critical and non-related lures where equally recognized and at low levels.

Keywords:
stimulus equivalence; false memory; matching to sample

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