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Accuracy of MMPI-2-RF validity scales for identifying feigned PTSD symptoms, random responding, and genuine PTSD. 2013

Lisa H Mason, and Anne L Shandera-Ochsner, and Kimberly D Williamson, and Jordan P Harp, and Maryanne Edmundson, and David T R Berry, and Walter M High
a Department of Psychology , University of Kentucky.

The Minnesota Multiphasic Personality Inventory-2-RF (MMPI-2-RF) validity scales were evaluated to determine accuracy when differentiating honest responding, random responding, genuine posttraumatic stress disorder (PTSD), and feigned PTSD. Undergraduate students (n = 109), screened for PTSD, were randomly assigned to 1 of 4 instructional groups: honest, feign PTSD, half random, and full random. Archival data provided clinical MMPI-2-RF profiles consisting of 31 veterans diagnosed with PTSD. Veterans were diagnosed with PTSD using a structured interview and had passed a structured interview for malingering. Validity scales working as a group had correct classification rates of honest (96.6%), full random (88.9%), genuine PTSD (80.7%), fake PTSD (73.1%), and half random (44.4%). Results were fairly supportive of the scales' ability to discriminate feigning and full random responding from honest responding of normal students as well as veterans with PTSD. However, the RF validity scales do not appear to be as effective in detecting partially random responding.

UI MeSH Term Description Entries
D008297 Male Males
D008306 Malingering Simulation of symptoms of illness or injury with intent to deceive in order to obtain a goal, e.g., a claim of physical illness to avoid jury duty.
D008950 MMPI A personality inventory consisting of statements to be asserted or denied by the individual. The patterns of response are characteristic of certain personality attributes. Minnesota Multiphasic Personality Inventory
D010551 Personality Behavior-response patterns that characterize the individual. Personalities
D011237 Predictive Value of Tests In screening and diagnostic tests, the probability that a person with a positive test is a true positive (i.e., has the disease), is referred to as the predictive value of a positive test; whereas, the predictive value of a negative test is the probability that the person with a negative test does not have the disease. Predictive value is related to the sensitivity and specificity of the test. Negative Predictive Value,Positive Predictive Value,Predictive Value Of Test,Predictive Values Of Tests,Negative Predictive Values,Positive Predictive Values,Predictive Value, Negative,Predictive Value, Positive
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D013313 Stress Disorders, Post-Traumatic A class of traumatic stress disorders with symptoms that last more than one month. Moral Injury,Neuroses, Post-Traumatic,PTSD,Post Traumatic Stress Disorder,Post-Traumatic Stress Disorders,Acute Post-Traumatic Stress Disorder,Chronic Post-Traumatic Stress Disorder,Delayed Onset Post-Traumatic Stress Disorder,Neuroses, Posttraumatic,Posttraumatic Stress Disorders,Stress Disorder, Post Traumatic,Stress Disorders, Posttraumatic,Acute Post Traumatic Stress Disorder,Chronic Post Traumatic Stress Disorder,Delayed Onset Post Traumatic Stress Disorder,Injury, Moral,Moral Injuries,Neuroses, Post Traumatic,Post Traumatic Stress Disorders,Post-Traumatic Neuroses,Post-Traumatic Stress Disorder,Posttraumatic Neuroses,Posttraumatic Stress Disorder,Stress Disorder, Post-Traumatic,Stress Disorder, Posttraumatic
D013334 Students Individuals enrolled in a school or formal educational program. School Enrollment,Enrollment, School,Enrollments, School,School Enrollments,Student

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