You Are Watching a Rat Pressing a Lever in a Skinner

Multiple Choice

You are watching a rat pressing a lever in a Skinner box to obtain food pellets.The rat is pressing the lever at a slow,steady rate,but it does not stop,even when a food pellet is delivered.In this example,the reinforcement schedule that is in place is MOST likely

A) a variable-ratio schedule.
B) a fixed-interval schedule.
C) a variable-interval schedule.
D) a fixed-ratio schedule.