Answer: It began when Ronald Regan invented it
Explanation:
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Based on the fact that Group A received treatment, they are the <u>experimental group. </u>
<h3>What is the experimental group?</h3>
- This group is tested for the variable in a research.
- In medicinal research, they receive the medicine being tested.
As Group A were the ones to receive the treatment for severe depression, we can conclude that they were the experimental group.
Find out more on experimental groups at brainly.com/question/22675982.
I believe the answer is intermittent reinforcement.
intermittent reinforcenet refers to the process of imposing operant conditioning in which the reinforcement is being done in a random time.
The purpose of doing intermittent reinforcement is to make them able to push the subject into doing things to even if they receive no reward for it.<span />
