Melanie's therapist suggests that when she feels anxious, melanie should attribute her arousal to her highly reactive nervous system and shift her attention to playing a game with her 5-year-old son. this suggestion best illustrates

Cognitive Behavioral Therapy

Explanation:

Cognitive behavioral therapy is a short-term, goal-oriented psychotherapeutic treatment that aims to improve the mental health of a patient, by helping patients to understand the thoughts and feelings that influence their behaviors. It is also a practical approach to solving current problems of patients by developing personal coping strategies that tackles the emotional difficulties faced by patients.  This therapy focuses on an identified problem and further maps out an action step to take in ameliorating such problem.

The therapist employs the cognitive behavioral therapy in solving Melanie’s anxiety problem by assisting her in understanding that her behavior was as a result of her highly reactive nervous system. The therapist further suggests a practical effective strategy to address the issue by suggesting she plays a game with her 5-year-old son to shift her attention .