A psychologist.
The root word they both share is psych. By adding ology on the end it will be the study of, which is the word above. To find someone who studies it, we would simply add ologist after the root word, because ologist means someone who studies.
Answer:
4. all of the alternatives are correct
Explanation:
Criteria for determining that a behavior is habitual include that; the behavior is enacted even if the outcome has been devalued, the behavior is enacted in the absence of motivation, and the behavior is enacted even if the behavior outcome contingency is no longer operative. For a behavior to be habitual, it means that the behavior is exhibited constantly with or without motivation or stimulus, that action or behavior is now a habit.
