UIUC PSYC 238 - Unit 3 - Classification of Abnormal Behavior (33 pages)

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Unit 3 - Classification of Abnormal Behavior



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Unit 3 - Classification of Abnormal Behavior

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Pages:
33
School:
University of Illinois at Urbana, Champaign
Course:
Psyc 238 - Abnormal Psych

Unformatted text preview:

UNIT THREE Classification of Maladaptive Behavior What is classification Classification subdividing or organizing a set of related objects Animals Historical Periods and Music are subdivided and organized in various ways Why use a classification system Benefit a shared scientific language facilitates description aids treatment decisions prognosis facilitates research on etiology treatment facilitates 3rd party reimbursement Why use a classification system Concerns stigmatization and marginalization expectations for behavior may change as result unrelated problems may be misattributed to diagnosis Rosenhan Study Describing Classification Systems What do the items in each group have in common 1 2 COAL 3 Stroke Heart Categories vs Dimensions Categorical Approach reflects a difference in kind or quality Dimensional Approach focuses on the amount of a particular characteristic an object possesses H E I G H T Approaches to Classifying Maladaptive Behavior Categorical Approach people with Maladaptive behaviors are qualitatively different from normal people discrete groups not depressed depressed Are you Depressed Yes No Categorical Approach 80 percent 60 40 20 35 65 0 depressed depressed not depressed Approaches to Classifying Maladaptive Behavior Dimensional Approach people with Maladaptive behaviors are quantitatively different continuum very depressed mildly depressed not at all depressed X How Depressed are you 0 Not at all 1 2 3 Extremely 4 Approaches to Classifying Maladaptive Behavior Threshold Approach combines categorical and dimensional very depressed mildly depressed not at all depressed X How Depressed are you 0 1 2 Not at all Legend 0 1 Not Depressed 2 and above Depressed 3 Extremely 4 DSM 5 No more axes Combined Axis I III IV and V recorded separately consistent with International Classification of Disease ICD Concerns regarding Reliability Validity Evaluation of DSM 5 Reliability consistency of measurements including diagnostic decisions Example inter rater



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