On a VT schedule, a reinforcer is delivered following
A) the first response after a varying period of time.
B) the first response during a varying period of time.
C) a varying period of time.
D) a varying number of responses.
Question 2
Birthday gifts are best described as examples of reinforcers that are received on a(n) _____ schedule.
A) VT
B) FT
C) FR
D) VR