Question

a negative symptom of schizophrenia is

Answer 1

Here is a link I found: http://www.schizophrenic.com/articles/schizophrenia/negative-symptom-schizophrenia

Answer 2

They are often times paranoid.

Answer 3

List of negative symptoms:

1.lack of emotion - the inability to enjoy regular activities (visiting with friends, etc.) as much as before
2.Low energy - the person tends to sit around and sleep much more than normal
3.lack of interest in life, low motivation
4.Affective flattening - a blank, blunted facial expression or less lively facial movements, flat voice (lack of normal intonations and variance) or physical movements.
5.Alogia (difficulty or inability to speak)
6.Inappropriate social skills or lack of interest or ability to socialize with other people
7.Inability to make friends or keep friends, or not caring to have friends
8.Social isolation - person spends most of the day alone or only with close family

I think paranoia would be a positive symptom.