Can MMPI detect malingering?
Can MMPI detect malingering?
The F minus K (F – K) index was developed by Gough (1947, 1950) to detect malingering on the MMPI. It is computed by subtracting the raw K scale score from the raw F scale score.
What is the function of the validity scales in the MMPI-2?
Validity scales of the MMPI-2 are used to try and correct/detect problems with self reporting such as test taking attitudes or response sets that may skew patient answers. The clinical scales of the MMPI-2 measure personality traits that can be used to diagnose mental conditions.
How is malingering psychosis diagnosed?
They may also report never having seen the visual before. Good indicators of malingered psychosis include overacting of psychosis, calling attention to the illness, contradictions in their stories and sudden onset of delusions, Resnick said. Individuals may also attempt to intimidate mental health providers.
Which is an example of malingering?
Malingerers may, for example, alter a urine sample or raise the temperature of a thermometer with a lamp. Drug abusers may fake illness or pain to receive drugs of abuse such as opioids.
What is the validity and reliability of the MMPI-2?
The MMPI-2 is a psychological test that has proven to be both reliable and valid. This test has truly ‘withstood the test of time. ‘ Just as the MMPI-2 is the most widely used psychological test, it is also the most researched. Researchers have uniformly reported that the MMPI-2 is a sound psychological test.
What type of validity does the MMPI-2 have?
The validity scales vary among MMPI versions, but the MMPI-2 contains three general types of validity scales: non-responding or inconsistent responding (CNS, VRIN, TRIN) over-reporting, or exaggerating psychological symptoms, popularly called “faking bad” (F, Fb, Fp, FBS)
Can a scale be valid and unreliable?
A measure can be reliable but not valid, if it is measuring something very consistently but is consistently measuring the wrong construct. Likewise, a measure can be valid but not reliable if it is measuring the right construct, but not doing so in a consistent manner.
What are validity scales MMPI-2 RF?
The two MMPI-2-RF validity scales designed to detect over-reporting of psychopathology symptoms, F-r and Fp-r, best differentiated between those classified as malingering based on the SIRS and those not so classified. Each scale added incrementally to the other in this differentiation task.