Which of the statements is/are TRUE of the following example: A parent and child are waiting in line to check out at the grocery store. The child asks for a candy bar but is denied by his parent.The child begins to whine and cry and grows louder and more persistent with his request.The parent responds by giving him the candy bar.

MCQs on the use of psychological methods, particularly when based on regular personal interaction, to help a person change behavior, increase happiness, and overcome problems.