Question

1. schedules of reinforcement: fi, vi, fr, vr
2. are those where a response is reinforced only after a specified number of responses. this schedule produces a high, steady rate of responding with only a brief pause after the delivery of the reinforcer
3. occur when a response is reinforced after an unpredictable number of responses. this schedule creates a high steady rate of responding.
4. occur when a response is rewarded after an unpredictable amount of time has passed. this schedule produces a slow, steady rate of response.
5. where the first response is rewarded only after a specified amount of time has elapsed. this schedule causes high amounts of responding near the end of the interval, but slower responding immediately after the delivery of the reinforcer

Explanation:

In operant - conditioning, fixed - ratio (FR) schedules reinforce after a set number of responses and produce a high, steady rate with a brief post - reinforcement pause. Variable - ratio (VR) schedules reinforce after an unpredictable number of responses and create a high, steady rate. Variable - interval (VI) schedules reinforce after an unpredictable time and produce a slow, steady rate. Fixed - interval (FI) schedules reinforce the first response after a set time and have high responding near the end of the interval and slow responding after reinforcement.

1. This describes a fixed - ratio (FR) schedule.
2. This describes a variable - ratio (VR) schedule.
3. This describes a variable - interval (VI) schedule.
4. This describes a fixed - interval (FI) schedule.

Answer:

1. FR (Fixed - Ratio)
2. VR (Variable - Ratio)
3. VI (Variable - Interval)
4. FI (Fixed - Interval)