The “?” scale is simply the number of omitted items (including items answered both true and false). The “Cannot Say” Scale (“? scale”) 15-30 questions unanswered make the test invalid) Points are given or removed to determine high or low scores based on the differences.Ĭlient “faking bad” (in first half of test)Ĭlient “faking bad” (in last half of test)Īnswering similar/opposite question pairs inconsistently Due to the complexity of the assessment criteria sometimes the questions do not seem to correspond, this ensures it is difficult to fake the MMPI.
Following is a table showing how many questions relate to each scale, then examples under each heading. The Validity scales determine 11 categories, in which if your not answering truthfully (or consistency) then your likely to make mistakes in the various questions that relate to each scale. In the Cheat Sheet you will learn to understand how the Validity scales work (because you can not manipulate the test without knowing how right?) They are used to determine if the person taking the test is being honest. These are a complicated and difficult aspect of the MMPI and as such are usually not disclosed to the person taking the test. At the heart of beating the MMPI is beating the Validity Scales.
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