PERSONALITY 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 Minnesota Multiphasic Personality Inventory (MMPI-2-RF) Criterion based (or data reduction) large pool of questions select appropriate criterion groups factor analysis MMPI – 2-RF scales 50 scales 8 Validity scales addiction scales supplemental scales Problems with MMPI-2 norms inter-item consistency is low high inter correlations between scores validity reading at 6th grade self-report 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 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 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 Myers-Briggs Type Indicator (MBTI) Heavily used in research lots of validity studies used in academic and counseling settings vocational preferences interpersonal interactions 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 Self assessment of MBTI scales Extrovert/Introvert Very strong E medium E centered medium I very strong I Sensing/Intuition Very strong S medium S centered medium N very strong N medium F very strong F Thinking/Feeling Very strong T medium T centered Judging/Perceiving Very strong J medium J centered medium P very strong P Keirsey Temperament Sorter – II KTS-II Created by David Kerisey 1978 Similar to MBTI test profile High reliability and validity Shorter Computerized KTS scales 4 Scales – similar to MBTI -- different words, same letters (E)=Expressive vs. (I)=Attentive (S)=Observant vs. (N)=Introspective (T)=Tough-minded vs. (F)=Friendly (J)=Scheduling vs. (P)=Probing MBTI/KTS/images Scores???? 1. MBTI – individual scales 2. MBTI - combinations 3. KTS 4. “projective ABAB Reliability ???? Validity ???? Standardization ????