PERSONALITY Minnesota Multiphasic Personality Inventory MMPI n n

PERSONALITY

Minnesota Multiphasic Personality Inventory (MMPI) n n n n Original development 1940 –Hathaway & Mc. Kinley (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

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

MMPI – 2 -RF scales 50 scales n 8 Validity scales n addiction scales n supplemental scales n

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

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

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

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

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

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

Self assessment of MBTI scales q Extrovert/Introvert Very strong E medium E centered medium I very strong I medium N very strong N medium F very strong F q Sensing/Intuition Very strong S medium S centered q Thinking/Feeling Very strong T medium T centered q Judging/Perceiving Very strong J medium J centered medium P very strong P

Keirsey Temperament Sorter – II KTS-II Ø Created by David Kerisey Ø 1978 Ø Similar to MBTI test profile Ø High reliability and validity Ø Shorter Ø Computerized

KTS scales 4 Scales – similar to MBTI -- different words, same letters v (E)=Expressive vs. (I)=Attentive v (S)=Observant vs. (N)=Introspective v (T)=Tough-minded vs. (F)=Friendly v (J)=Scheduling vs. (P)=Probing

MBTI/KTS/images Scores? ? 1. MBTI – individual scales 2. MBTI - combinations 3. KTS 4. “projective ABAB Reliability ? ? Validity ? ? Standardization ? ?