What Are Some of the Advantages of Evidence-Based Treatment Manuals

What are some of the advantages of evidence-based treatment manuals? What are some of their disadvantages? Give as many specific examples of each from the text as you can. What is the role of the self-help literature in relation to useful ready-made programs, as described by Egan? Do evidence-based treatments always work? Do non-evidence-based treatments ever work? Explain why for your answers to these last two questions.