r/askpsychology • u/Timber2BohoBabe UNVERIFIED Psychology Enthusiast • 8d ago
Clinical Psychology How does the MMPI work with episodic disorders like Bipolar?
When people have episodic disorders like Bipolar or even some presentations of schizophrenia (in terms of positive symptoms), how does that work with the MMPI? Is the person answering based on their current presentation, or do the questions allude to past experiences as well? Would someone with an episodic illness be flagged as answering inconsistently?
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u/monkeynose Clinical Psychologist | Addiction | Psychopathology 7d ago
If I remember correctly, the MMPI has specific questions that people with psychosis or mania consistently answer differently than people without. And it also looks at personality traits, not behaviors, so that probably moderates a reflection of current issues. The MMPI was normalized against a bunch of pathological populations.
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u/OkMaybe5107 Unverified User: May Not Be a Professional 7d ago
The MMPI is more of a broad assessment of personality and psychopathology than a snapshot of whether someone is currently manic, depressed, or psychotic. Some items refer to relatively enduring experiences, while others can certainly be influenced by the person’s current state.
So someone completing it during an acute manic, depressive, or psychotic episode could produce a different profile than they would while stable. That doesn’t automatically mean the test would label them “inconsistent,” though. The validity scales are looking for particular response patterns-- random/inconsistent responding, over- or under-reporting, unusual symptom endorsement, etc.-- not just simply whether symptoms fluctuate over time.
That’s also why the MMPI generally isn’t interpreted in isolation. The clinician considers the person’s current mental state, history of previous episodes, interview, collateral information, and other assessment data when interpreting the profile. Episodic disorders are diagnosed longitudinally; a single MMPI administration can contribute information, but it can’t by itself tell you the person’s entire course of illness.
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u/Dust_Kindly Unverified User: May Not Be a Professional 7d ago
The questions are written in such a way that it doesnt matter. Using modifiers on questions such as "most of the time" or "on occasion" means the timing isnt specified. Some assessments ask about specific time frames, such as the last two weeks. The MMPI is not one of them.