Differences Between Categorical And Dimensional Approaches From Science And Social Science

3471 WordsNov 28, 201414 Pages
The Necessary Relationship Between Categorical and Dimensional Approaches to Diagnosis Within the realms of psychology, classification systems are imperative and allow for appropriate organization and proper descriptions of a patient’s psychological diagnosis. (Hunsley, J. & Lee, M. Catherine, 2010). Classification is a central element of all branches of science and social science, and is how clinicians perform their job to diagnose patients. The two, main types of classification systems are the categorical approach and the dimensional approach. In a broad view, the categorical approach is an one in which a person or object is determined to either be a member of a specific category or not, and the dimensional approach is based on the assumption that the object or person being classified differs in the extent to which they possess certain characteristics and properties (Hunsley & Lee, 2010). The controversy over dimensional versus categorical approaches to diagnosis as manifested in the recent development and publication of the DSM-V is a debate that is one to take note of. Numerous limitations and benefits to both the categorical and dimensional approaches exist, and are widely discussed by researchers when speaking of the production of the DSM-V in regards to personality disorders (PDs). This paper will mainly focus on the diagnosing of one with Narcissistic Personality Disorder (NPD), and how the changes from the categorical approach to dimensional approach in the recent

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