A fixed-ratio schedule
- A
Reinforces after an unpredictable variable number of correct responses
- Bcheck_circle
Reinforces after a specific number of responses (e.g., every 5th lever press)
- C
Reinforces the first response after a fixed time period (e.g., every 5 minutes)
- D
Reinforces the first correct response after random unpredictable time intervals
Explanation
Piecework wages; rapid bursts of responses.