C. Various groups of people united as one social class
Answer:
D) systematic desensitization.
Explanation:
Systematic desensitization: In psychology, the term systematic desensitization is described as the behavioral technique that is used to treat anxiety, phobia, and intense fear. By using this technique, the psychologist engages a person or client in various ways of relaxation exercise and therapy and moderately exposes the person or client into anxiety-provoking stimulus, for example, place, object, animal, etc. Systematic desensitization is based on the classical conditioning principle.
In the question above, the approach used by Sal's therapist is systematic desensitization.
H<span>is problem-solving ability in math represents: domain-specific knowledge
Domain specific knowledge is a specified skill that could not be applied to other knowledge. In this case, due some conditioning in brain, Cliff could only understand math and all equations but does not possess the ability to be excel at other subject
</span>
