When you dial a phone number and get a busy signal, the reward of "getting through" is on a _____ schedule because you may have to wait 30 seconds or 30 minutes.(If you are like most people, you will doggedly dial over and over again until you get a connection.)
A)variable interval
B)variable ratio
C)fixed interval
D)continuous

Question

Quizplus · Accepted Answer

The reward of getting through is based on a variable interval schedule because there is an unpredictable amount of time between attempts to call and actually getting through. Sometimes it may take only a few tries to connect, while other times it may take many attempts over a longer period of time.

When You Dial a Phone Number and Get a Busy