Examlex
A negative z score will convert into a raw score that is above the mean of its distribution.
Obsession
An intrusive and persistent thought, idea, or image that causes significant anxiety or distress.
Compulsion
A strong, usually irresistible impulse to perform an act, especially one that is irrational or contrary to one's will.
Delusion
A false belief held with strong conviction despite superior evidence to the contrary.
Hallucination
A perception in the absence of external stimulus that has qualities of real perception, often involving seeing, hearing, or feeling something that isn't there.
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