Answer: 3. variable ratio
Options:
1. fixed interval
2. fixed ratio
3. variable ratio
4. variable interval
Explanation: The variable ratio of reinforcement uses rewards to create a high and steady rate of response. The rate of reward for a target behavior is unpredictable so the rat does not know when its response will get a reward. It will keep responding until the reward is delivered.
The options listed above are schedules of reinforcement. They are schedules used in rewarding target behavior in Operant conditioning.
Answer:
John Deere was a blacksmith that invented the first successful self scouring steel plow in 1837.
There can be 132 ways that can be selected
I'm not exactly sure what you are asking but it could be a(4)
