Personality Assessment

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 1940s
• 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
Downs 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
Aperts 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 Turners
• XXY Klinefelters

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