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PERSONALITY

PERSONALITY. Classification of Personality Tests. Uni -dimensional or Multi-dimensional Theoretical or Psychometric (data reduction) Factor Analysis or Criterion Reference Normal or Abnormal Traits Group or Individual Administration Oral or Written Self/Other Report or Behavioral

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PERSONALITY

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  1. PERSONALITY

  2. Classification of Personality Tests • Uni-dimensional or Multi-dimensional • Theoretical or Psychometric (data reduction) Factor Analysis or Criterion Reference • Normal or Abnormal Traits • Group or Individual Administration • Oral or Written • Self/Other Report or Behavioral • Objective or Projective

  3. Evaluation of Personality Tests • Construct • Developmental Information • Standardization Information • Norms • Administration Information • Psychometrics reliability - validity - factor structure • Reviews

  4. Minnesota Multiphasic Personality Inventory (MMPI) • Original development 1940 –Hathaway & McKinley • (MMPI-2 1989) MMPI-2-RF 2008 • Over 18 years • MMPI -A – 1992 (adolescent) 14 – 18 yrs • Clinical populations • paper-pencil, computer or audio • 35-50 minutes • About 338 questions

  5. Minnesota Multiphasic Personality Inventory (MMPI-2-RF) • Criterion based (or data reduction) large pool of questions select appropriate criterion groups factor analysis

  6. MMPI – 2-RF scales • 50 scales • 8 Validity scales • addiction scales • supplemental scales

  7. Problems with MMPI-2 • norms • inter-item consistency is low • high inter correlations between scores • validity • reading at 6th grade • self-report

  8. California Psychological Inventory-260 (CPI) • Developed 1956 -- revised 2005 • assess normal adult personality • 260 true/false questions (1/2 from MMPI) • 30-45 minutes • paper-pencil • normed on college students

  9. California Psychological Inventory (CPI) • 29 socially desirable behavioral tendencies Interpersonal styles self acceptance self control flexibility • more positive than MMPI • used for educational, vocational, counseling

  10. 16 Personality Factors - 16 PF • Cattell - 1956 - last revised 2000 • data reduction by factor analysis • administer hundreds of questions and factor analyze responses = 16 factors • 185 items (true, ?, false) • 30-60 minutes • 7th grade reading level • computer or hand score

  11. 16 Personality Factors - 16 PF • Measures 16 primary personality traits • Heavily used in research • good reliability - test/retest • good validity - construct and criterion • lots of norms and profiles • used for career and vocational guidance http://www.pearsonassessments.com/tests/sixtpf_5.htm

  12. 16 factor scales • 16 bipolar dimensions of personality • 5 global factors • Extraversion • Anxiety • Tough-mindedness • Independence • Self-control • IM (impression management)

  13. Revised NEO Personality InventoryNEO – PI-R • Costa & McCrae - 1985/1995 • Neuroticism • Extraversion • Openness • Agreeableness • Conscientiousness

  14. Are they the same factors??? 16 factor scales Revised NEO Neuroticism Extraversion Openness Agreeableness Conscientiousness • 5 global factors • Extraversion • Anxiety • Tough-mindedness • Independence • Self-control

  15. Myers-Briggs Type Indicator (MBTI) • Isabel Briggs Myers and Katherine Briggs • 1940s • Based on Jung’s personality dimensions • 126 forced choice questions • 20-30 minutes

  16. Myers-Briggs Type Indicator (MBTI) • Heavily used in research • lots of validity studies • used in academic and counseling settings • vocational preferences • interpersonal interactions

  17. Myers-Briggs Type Indicator (example of MBTI types) • Measures 4 dimensions of personality extroversion-introversion (EI) sensing-intuition (SN) thinking-feeling (TF) judgement-perception (JP) • combine into 16 personality types e.g. ESTJ

  18. Keirsey Temperament Sorter – IIKTS-II Similar to MBTI test profile - high validity – computerized - shorter • 4 Scales • (E)=Expressive vs. (I)=Attentive • (S)=Observant vs. (N)=Introspective • (T)=Tough-minded vs. (F)=Friendly • (J)=Scheduling vs. (P)=Probing

  19. MBTI/KRT/images • Scores???? • ESFJ – (MBTI) • ISFJ – (KRT) • ENTP – ABAB • Reliability???? • Validity????? • Standardization????

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