Dsm iv tr in action the dsm iv tr tm is the primary tool mental health clinicians depend upon to diagnose psychopathology in their clients dsm iv tr tm in action second edition brings the dsm iv tr tm to life by providing clear instruction on how to plan for an assessment accurately diagnose clients and prepare a comprehensive treatment plan. The diagnostic and statistical manual of mental disorders fourth edition text revision dsm iv trtm is the primary tool mental health clinicians use to diagnose psychopathology in their clients dsm iv trtm in action brings this tool to life by providing clear instruction on how to use it to formulate and complete an assessment accurately diagnose clients and prepare a comprehensive treatment plan. Quotes from dsm iv tr in action the disorder currently known as dissociative identity disorder where an individual has more than one distinct personality was called multiple personality disorder in dsm iii r. Edition description the dsm iv tr tm is the primary tool mental health clinicians depend upon to diagnose psychopathology in their clients dsm iv tr tm in action second edition brings the dsm iv tr tm to life by providing clear instruction on how to plan for an assessment accurately diagnose clients and prepare a comprehensive treatment plan