In this form of therapy, desired behavior is paired with an pleasant stimuli. The ultimate goal is to have a result that is so desirable, the possibility of the original desired behavior to occur again, will increase. In this form of therapy, undesired behavior is paired with an unpleasant stimuli. The ultimate goal is to have a result that is so undesirable, the possibility of the original undesired behavior to occur again, will decrease. A series of steps of dealing with anxiety. Analyzing and imagining the event that causes anxiety. Individuals face their fears in a series of steps. At the endpoint of the therapy, the patient confronts the fear producing stimuli.