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Document Type

Article

Abstract

The present paper describes 2 studies that present a conceptual interpretation and experimental findings involving the developing and dismantling of equivalence cl'asses consisting of terrorist stimuli. In the first study, 8 United States citizen participants were trained to match nonterrorist stimuli to American and terrorist images. Afterwards, participants were tested for derived relations between American and terrorist stimuli. Results revealed all participants had a high probability of making predictable responses across culturally framed stimuli during a pretest (i.e. , match American to American and terrorist to terrorist), yet after training, made fewer culturally controlled responses during the posttest. The second study examined the acquisition rate and resulting equivalence test performance of 7 United States citizen participants who received training with 3 sets of visual stimuli that consisted of (a) terrorist, (b) mixed terrorist/American, and (c) neutral (flowers) images. Most participants acquired the relations involving the terrorist stimuli in fewer trials and scored with higher accuracy during testing when compared to their performance on the other two sets (mixed terrorist/American, flowers). Implications for various theories of stimulus equivalence are discussed.

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