Final answer:
Schizophrenia is a mental illness with both positive and negative symptoms. Positive symptoms include delusions and auditory hallucinations, while negative symptoms include social withdrawal and a flattened emotional state.
Step-by-step explanation:
Schizophrenia is a serious mental illness characterized by both positive and negative symptoms. Positive symptoms include delusions, auditory hallucinations, and disorganized thinking, while negative symptoms include social withdrawal and a flattened emotional state. To assess for potential symptoms of schizophrenia, evaluate whether the finding is positive or negative, such as delusions (positive symptom) or social withdrawal (negative symptom).