Why Psychologists Need to Base Treatment Recommendations on Scientific Evidence

This book describes research that sought to clarify if the professional practice of educational/school psychologists is evidence-based when recommending interventions for disruptive adolescents who are diagnosed as seriously emotionally disturbed. Two lines of investigation were employed. First, a literature search using three distinct methodologies - a systematic literature review, a meta-analysis of studies and a best evidence synthesis. Second, a survey of a large sample of school psychologis...