Joan goes to a therapist to learn how to become more assertive. The therapist uses a training technique in which he portrays a social antagonist and Joan portrays herself. Together, they act out the problem situation. This therapeutic technique is called .

The correct answer is: role-playing.

Explanation:

Role-playing is a technique used in psychotherapy for the treatment of phobia.

Phobias are a learned response to a stimulus that must be unlearned in order to overcome it.

In role-playing therapy, the therapist acts as the person who the patient is afraid to confront, and then the patient responds with the techniques learned in the sessions.

Joan goes to a therapist to learn how to become more assertive. The therapist uses a training technique in which he portrays a social antagonist and Joan portrays herself. Together, they act out the problem situation. This therapeutic technique is called role-playing

Explanation:

Role play is an educational technique in which people spontaneously act-out problems of human relations and analyse th eneactment with the help of the oher role players and observers. Educational roleplay asks each student to take the role  of the person affected by an issue and studies the impacts of the issues on human life and the effects of human activities on the world around us from the perspective of that person.

Hence in the above scenario, Joan is using role-playing.