Abstract
The present study investigated the effects of select and reject controls upon S+ and S- observations during a matching-to-sample training. Four adults were exposed to discriminative trainings and equivalence tests. In Baseline (BL), no specific sample-comparison control was biased; in the Reject Control and Select Control conditions, sample/S+ and sample/S- relations were biased, respectively. In BL, participants observed more the S+ than the S-. The establishment of reject control tended to be followed by an increase in the observation of the S- and by choices based on the exclusive observation of the S-; in the case of select control, similar patterns were found, however, for the S+. Thus, the establishment of select and reject controls are followed by changes in the observation of comparison stimuli.
Keywords
stimulus equivalence; select control; reject control; matching-to-sample; eye movements
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