Final answer:
Michael most likely engaged in behavior therapy to treat his fear of heights.
Step-by-step explanation:
Michael most likely engaged in behavior therapy to treat his fear of heights. Behavior therapy focuses on changing habits and behaviors to improve psychological health. In this type of therapy, Michael would have worked with a therapist to gradually expose himself to heights and learn coping mechanisms to manage his fear. Through repeated exposure and practice, Michael may have been able to overcome his fear of heights and improve his psychological well-being.
Learn more about Behavior therapy for treating fear of heights