Validity and reliability PDF

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Summary of validity and reliability of mmpi-2...

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Psychopathic Deviate (Scale 4) 

Measures social maladjustments and the nonexistence of pleasant experiences. o Items look at complaints about family, self-alienation, social alienation, and boredom o Contains 50 items Framingham, J. (2011). Minnesota Multiphasic Personality Inventory (MMPI). Psych Central. Retrieved on October 25, 2014, from http://psychcentral.com/lib/minnesota-multiphasicpersonality-inventory-mmpi/0005959

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Items also look at: o Rebellion o Exploitation o Misconduct Higher scorers are said to be more rebellious, lower scorers are said to accept authority Higher scorers are mostly diagnosed with personality disorders

Cherry, K., (n.d.) The ten scales of the MMPI-2, About Education. Retrieved from http://psychology.about.com/od/psychologicaltesting/a/mmpi_2.htm

Reliability and Validity of the MMPI-II 

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Reliability (found in Test Critiques Volume VIII) o Found by test-retest after 7 days o For males  r= .67 to .92 (median of r=.82) o For females  r= .58 to .91 (median of r= .79) Reliability (Boone, D. (1994). Reliability of the MMPI-2 subtle and obvious scales with psychiatric inpatients. Journal of Personality Assessment, 62(2), 346-351.) o Reliability across all scales range from .75 to .92 o High internal consistency reliability o Boone, D. (1994). Reliability of the MMPI-2 subtle and obvious scales with psychiatric inpatients. Journal of Personality Assessment, 62(2), 346-351. Validity o Low validity coefficients for the clinical scales  Ranges from .05 to .32

Boone, D. (1994). Reliability of the MMPI-2 subtle and obvious scales with psychiatric inpatients. Journal of Personality Assessment, 62(2), 346-351.

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7 validity indicators o Cannot say (?) o Lie (L)

o o o o o

Infrequency (F) Correction (K) Back F (FB) Variable Response Inconsistency (VRIN) True Response Inconsistency (TRIN)

Murphy, L. L., Geisinger, K. F., Carlson, J. F., & Spies, R. A. (2011). Test in Prints VIII. Lincoln, Nebraska: Bruos Institute of Mental Measures of the University of Nebraska-Lincoln.

Can also add in that the biggest revision from the MMPI to the MMPI-2 is the addition of 3 validity scales: L (lie)[15 items], F (infrequency)[60 items], and K (correction)[30 items] scales. Provides information of test-taking attitudes. o

Vacha-Haase, T., Tani, C.R., Kogan, L.R., Woodall, R.A., & Thompson, B. (2001). Reliability generalization: Exploring reliability variations on MMPI/MMPI-2 validity scale scores. Assessment, 8(4), 391-401....