PSYCH 14 Lecture Notes - Lecture 3: East Los Angeles College, Overdiagnosis, Predictive Validity
Document Summary
Categorization may result in the loss of information. Whenever you put a group of individuals into a category, you lose a lot of information about those individuals aside from the categories that they are in. Simple yes/no or all-or-none classification schemes can ignore the continuum that exists between normal and abnormal behavior. Cutoff is arbitrary yet may have major repercussions for an individual who is not treated. Classification may be misapplied e. g. because of cultural differences both overdiagnosis and underdiagnosis of psychopathology. But cultural differences between the clinician and the client may lead to. Characteristics of a good classification system predictions about an individual. A good classification system allows professionals to communicate and make. Reliability (agreement between clinicians using the system) Validity (accuracy) usefulness of a diagnostic system. Can also be thought of as consistency. Etiological validity similar factors cause the disorder among the individuals within a single category.
