Personality Assessment - PowerPoint PPT Presentation

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Personality Assessment

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  1. Personality Assessment • 2 Basic kinds: • Objective vs. Projective • Intelligence vs. Personality testing • Some argue intelligence is part of personality • Gold standard • What is intelligence? • Work best when correlated with predictive outcomes • Ex. Suicidality scale

  2. Quick Question • Try to Guess what the color of your car says about your personality:

  3. Answer: • Nothing

  4. Objective Tests • “For Fun” tests • Tell you stuff you already know • “horoscopes” • Not linked with outcomes • Ex. Myers-Briggs • Clinical tests • Nuts/not nuts • Correlated with outcomes

  5. Reliability and Validity • Reliability: Does test always measure same thing. Consistency • Test-retest • Coefficient Alpha internal consistency • Validity: Does it measure what its supposed to • Predictive • Content • Construct • Face: A double edged sword • Ex. Rapists/college student ATW experiment

  6. The MMPI • Originally developed in 1940’s • Validity scales • Clinical scales • Supplemental scales • Empirical approach • Revised in 1989 • Forced answer format • Some complaints • Most researched personality test

  7. Projective Tests • Present neutral stimuli on which psychopathology can be projected • “there is no wrong answer…” • Normative responses • Originate in psychoanalytic theory • Clinical Interpretations • Reliability and validity issues • Standardization issues

  8. Rorschach Inkblot • Subject asked to state what they see in inkblot. • Multiple answers per card • Overall Quality • Normative responses • Explain why they saw it • Exner system: form, movement, color, white-space, theme, animal-human

  9. Any volunteers?

  10. Intelligence • What is intelligence • Sir Francis Galton • Thomas Bouchard and twin studies • Binet • Mental age • IQ = MA/CA X 100

  11. Intelligence Tests • Common IQ tests = WAIS, Stanford-Binet • What is the purpose of an IQ test • Racial/cultural sensitivity • Reliability of Intelligence • IQ tests and young children • Adults • Achievement tests • Used with IQ tests

  12. Mental Retardation • 2.5% of population. • Why it will never go away • Intelligence and adaptive skills • Levels of MR • Mild (IQ 50-70) • Moderate (IQ 35-50) • Severe (IQ 20-35) • Profound (IQ less than 20)

  13. Down’s Syndrome • Trisomy 21 • Simian crease • prognosis

  14. Trisomy 13

  15. Cri du Chat • Deletion Chromosome 5

  16. hydrocephalus

  17. Temporal collapse • Following hydrocephalic shunt

  18. Apert’s Syndrome • Recessive mutation • Craniofacial malformation • Fusion of fingers • Multiple health problems

  19. Fetal Alcohol Syndrome • Poor growth • Small head size • Facial asymmetry • “Railroad ear”

  20. Sex-Linked chromosome Disorders • X0 Turner’s • XXY Klinefelter’s

  21. Prader-Willi Syndrome • Deletion chromosome 15, from father • Small hands, genitals • Obesity • 3 y.o. boy

  22. lesch nyhan syndrome • Mutation chromosome 10 • Orange sand • Self-mutilation