Professor Jackson Wants His Students to Complete Their Reading Assignments

Multiple Choice

Professor Jackson wants his students to complete their reading assignments before he lectures on the material in class.He periodically gives them pop quizzes on the reading assignments.To encourage students to complete the reading assignments,the schedule of reinforcement he should use for the pop quizzes is a _______ schedule.

A) fixed interval
B) fixed ratio
C) variable interval
D) variable ratio