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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 Quick Question
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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
Quick Question • Try to Guess what the color of your car says about your personality:
Answer: • Nothing
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
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
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
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
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
Intelligence • What is intelligence • Sir Francis Galton • Thomas Bouchard and twin studies • Binet • Mental age • IQ = MA/CA X 100
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
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)
Down’s Syndrome • Trisomy 21 • Simian crease • prognosis
Cri du Chat • Deletion Chromosome 5
Temporal collapse • Following hydrocephalic shunt
Apert’s Syndrome • Recessive mutation • Craniofacial malformation • Fusion of fingers • Multiple health problems
Fetal Alcohol Syndrome • Poor growth • Small head size • Facial asymmetry • “Railroad ear”
Sex-Linked chromosome Disorders • X0 Turner’s • XXY Klinefelter’s
Prader-Willi Syndrome • Deletion chromosome 15, from father • Small hands, genitals • Obesity • 3 y.o. boy
lesch nyhan syndrome • Mutation chromosome 10 • Orange sand • Self-mutilation