power point and syllabus
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Power Point and Syllabus. http://psychology.okstate.edu/faculty/mullins/psych3443.html. SONA!. http://compliance.vpr.okstate.edu/hsp/sona_index.htm http://psychology.okstate.edu/. Assessment and Diagnosis in Abnormal Psychology. Chapter 3. Objectives. - PowerPoint PPT PresentationTRANSCRIPT
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Power Point and Syllabus
http://psychology.okstate.edu/faculty/mullins/psych3443.html
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SONA!
http://compliance.vpr.okstate.edu/hsp/sona_index.htm
http://psychology.okstate.edu/
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Assessment and Diagnosis in Abnormal Psychology
Chapter 3
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Objectives
What are the purposes of assessment in abnormal psychology?
What are important characteristics of assessment approaches?
How would one use interviews and testing to assess psychological disorders?
How are diagnoses made for psychological disorders?
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Assessing Psychological Disorders
Purposes of Clinical Assessment To understand the individual To predict behavior To plan treatment To evaluate treatment outcome
Analogous to a Funnel Starts broad Narrow to specific problem areas
Multidimensional in approach
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Characteristics of Assessment
Reliability Consistency in measurement Examples include test-retest, inter-rater reliability
Validity What the test measures and how well it does so Examples include content, concurrent, discriminant,
construct, and face validity Sensitivity and specificity
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Negative Positive
No 800 100
Yes 10 90
What does the test say?
Does
the p
ers
on
truly
have
the d
isord
er?
false positives
false negatives
true positives
true negatives
Sensitivity
90/(90+10) = .90
Specificity
800/(800+100) = 88.9%
Sensitivity and Specificity
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Characteristics of Assessment
Standardization Standards and norms help ensure consistency in the
use of a technique Examples include administration procedures,
scoring, and evaluation of data
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Domains of Assessment:The Clinical Interview
Clinical Interview Most common clinical assessment method Structured or semi-structured
Purposes of interview Explore presenting problem Associated problem(s), History Biopsychosocial context Diagnose
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Domains of Assessment:Clinical Interview (cont.)
Mental Status Exam Appearance and behavior Thought processes Mood and affect Intellectual functioning Sensorium
Mini Mental State Examination (MMSE) Assesses for cognitive functioning Useful for screening for dementia or other
neuropsychological deficits
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Domains of Assessment:Behavioral Assessment and Observation
Behavioral Assessment Focus on here and now Tends to be direct and minimally inferential Purpose is to identify problematic behaviors and
situations Identify antecedents, behaviors, and consequences
Behavioral Observation and Behavioral Assessment Can be either formal or informal Self-monitoring vs. others observing Problem of reactivity using direct observation
methods
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Domains of Assessment:Psychological Testing and Projective Tests
Psychological Testing Must be reliable and valid
Projective Tests Project aspects of personality onto ambiguous test
stimuli Roots in psychoanalytic tradition Require high degree of clinical inference in scoring
and interpretation Examples include the Rorschach Inkblot Test,
Thematic Apperception Test Reliability and validity data tend to be mixed
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Objective Tests Test stimuli are less ambiguous Roots in empirical or scientific tradition Require minimal clinical inference in scoring and
interpretation Objective Personality Tests
Minnesota Multiphasic Personality Inventory (MMPI, MMPI-2, MMPI-A)
Over 549 true or false items Extensive reliability, validity, and normative database
Objective Intelligence Tests Nature of intellectual functioning and IQ The deviation IQ Verbal and performance domains
Domains of Assessment: PsychologicalTesting and Objective Tests
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Diagnosing Psychological Disorders:Foundations in Classification
Clinical Assessment vs. Psychiatric Diagnosis Assessment – Idiographic approach (individual) Diagnosis – Nomothetic approach (norms) Both are important in treatment planning and
intervention
The Nature and Forms of Classification Systems Classical (or pure) categorical approach – Strict
categories Dimensional approach – Classification along dimension Prototypical approach – Combines classical and
dimensional views
DSM-IV and ICD-10
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Purposes and Evolution of the DSM
Purposes of the DSM System Aid communication, evaluate prognosis, need for
treatment, and treatment planning
Basic Characteristics Five axes describing full clinical presentation (person
and environment) Clear inclusion and exclusion criteria for disorders,
including duration Disorders are categorized under broad headings Prototypic approach to classification; one that is
empirically grounded
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The DSM-IV
The Five DSM-IV Axes Axis I – Most major disorders Axis II – Stable, enduring problems (e.g., personality
disorders, mental retardation) Axis III – Medical conditions related to abnormal
behavior Axis IV – Psychosocial problems affecting functioning
or treatment Axis V – Global clinician rating of adaptive
functioning
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Be sure to….
Read second half of Chapter 3, Research Methods
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