PSY 650: Treatment Plan  and Case 9: Bulimia Nervosa in Gorenstein and Comer (2014), The Waller, Gray, Hinrichsen, Mounford, Lawson, and Patient (2014) Cognitive-Behavioral Therapy for Bulimia Nervosa and Atypical Bulimic Nervosa: Effectiveness in Clinical Settings,Halmi (2013) Perplexities of Treatment Resistance in Eating Disorders, and DeJesse and Zelman (2013) Promoting Optimal Collaboration Between Mental Health Providers and Nutritionists in the Treatment of Eating Disorders articles all attached. Assess the evidence-based practices implemented in this case study(1)Explain the connection between each theoretical orientation used by Dr. Heston and the treatment intervention plans utilized in the case(2)Describe the cognitive-behavioral model of the maintenance of bulimia nervosa(3)Explain why Rita was reluctant to participate in Dr. Hestons request for her to keep a record of her eating behaviors. Use information from the Halmi (2013) article Perplexities of Treatment Resistance in Eating Disorders to help support your statements(4)Recommend outside providers (psychiatrists, medical doctors, nutritionists, social workers, holistic practitioners, etc.) to the assist Rita in achieving her treatment goals. Use information from the DeJesse and Zelman (2013) Promoting Optimal Collaboration between Mental Health Providers and Nutritionists in the Treatment of Eating Disorders article to help support your recommendations(5)Describe some of the challenges and ethical issues that Dr. Heston may encounter when working collaboratively with the professionals that you recommended.  Apply ethical principles and standards of psychology relevant to your description of Dr. Hestons potential collaboration with outside providers(6)Evaluate the effectiveness of the treatment interventions implemented by Dr. Heston, supporting your statements with information from the case from the articles titled intervention attached(7)Recommend three additional treatment interventions that would be appropriate in this case. The recommended articles attached may be useful in generating your response to this criterion. Justify your selections with information from the case?