On which of the following schedules would a pigeon earn more food during a 30-minute session?
A) VR 20
B) Chained VR 20 FR 50
C) Chained VR 20 FR 100
D) Chained VI 60-sec VR 20

Question

Quizplus · Accepted Answer

On a Variable Ratio (VR) 20 schedule, a pigeon would earn more food because, on average, every 20th response is reinforced. This schedule typically results in a high and steady rate of responding without the pauses after reinforcement seen in other schedules. The chained schedules (B, C, D) introduce additional requirements (either a fixed ratio or a variable interval) that must be met before the VR component, which would reduce the overall rate of reinforcement compared to a simple VR 20 schedule.

On Which of the Following Schedules Would a Pigeon Earn