Willow doesn't like her psychology class because the instructor uses unannounced pop exams to test the class. As a result, she never knows when she will be tested. Willow's instructor is testing her on a __________ schedule.
A) fixed ratio
B) fixed interval
C) variable ratio
D) variable interval

Question

Quizplus · Accepted Answer

Willow's instructor is using unannounced pop exams, which means the tests are given after a variable amount of time has passed. This is an example of a variable interval schedule. The other options do not fit the description of Willow's situation. A fixed ratio schedule would involve a set number of exams before a reward is given, a fixed interval schedule would involve exams given at set intervals of time, and a variable ratio schedule would involve an unpredictable number of exams before a reward is given.

Willow Doesn't Like Her Psychology Class Because the Instructor Uses