Response rate is not an effective mediator of learned stimulus equivalence in pigeons |
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Authors: | Email author" target="_blank">Andrea?J?FrankEmail author Edward?A?Wasserman |
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Institution: | University of Iowa, Department of Psychology, E11 Seasore Hall, Iowa City, IA 52242, USA. andrea-frank@uiowa.edu |
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Abstract: | We explored response rate as a possible mediator of learned stimulus equivalence. Five pigeons were trained to discriminate
four clip art pictures presented during a 10-sec discrete-trial fixed interval (FI) schedule: two paired with a one-pellet
reinforcer, which supported a low rate of responding, and two paired with a nine-pellet reinforcer, which supported a high
rate of responding. After subjects associated one stimulus from each of these pairs with a discriminative choice response,
researchers presented two new clip art stimuli during a 10-sec FI: one trained with a differential reinforcement of low rate
schedule (DRL) after the FI and the other trained with a differential reinforcement of high rate schedule (DRH) after the
FI. Each of the stimuli that were withheld during choice training was later shown to see if the choice responses would transfer
to these stimuli. The results suggest that response rate alone does not mediate learned stimulus equivalence. |
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