When Considering the Feedback Function of a Fixed Interval Schedule

Multiple Choice

When considering the feedback function of a fixed interval schedule, which of the following is true for a given period?

A) there is an upper limit on the number of reinforcers a subject can earn.
B) there is no limit to the number of reinforcers a subject can learn; more responses = more reinforcers.
C) depending on how the subject responds, it may have a limit or may not have a limit on its number or reinforcers.
D) it is impossible to determine any of the above.