Poverty of speech, blunted and flat affect, loss of volition, and social withdrawal are all examples of symptoms of schizophrenia. a. positive b. negative c. psychomotor d. hallucinatory

I believe the answer is: B. negative
negative symptoms refers to the psychological or physical effect that damage the patient's quality of life in some ways.
Other example of negative symptoms would be: become easily discouraged/unmotivated, slower rate of responsiveness, etc.

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