Brittany’s rats were working on concurrent VI schedules. Both were VI 30 schedules, but on schedule A the rats earned 5 pellets while on schedule B, they earned only 1. Brittany was disappointed that her rats did not exhibit perfect matching. What is a likely explanation?

a. Rats cannot discriminate 1 pellet from 5 pellets.
b. It takes too long for rats to consume 5 pellets, so they don’t perceive the outcome as immediate.
c. One never gets perfect matching when the concurrent interval lengths are the same.
d. Individuals’ perceptions of reinforcer magnitude may not be a linear function of actual magnitude.


Ans: d

Psychology

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