Motivational Interviewing as a mental health treatment modality

Discuss the clinical modality of Motivational Interviewing. Include an overview of the modality (1 page), its theory, historical roots, and practice technique (3 pages), and a section on research evaluating motivational interviewing’s effectiveness towards patients dealing with substance abuse, eating disorders, and bipolar disorder (1 page each with studies that support motivational interviewing as a treatment modality).