Question

Grant was seen laughing inappropriately in the library as if he was responding to internal stimuli. on the bus home, he was crying uncontrollably and suddenly became angered when a fellow passenger offered him a tissue. grant's excess of inappropriate behavior reflects schizophrenia's _____ symptoms.

Answer 1

I believe the answer is: positive symptoms

In mental disorder, positive symptoms refers to the behaviors/characteristic that is not present by normal population but present in the patient.
Other positive symptoms of schizophrenia include: Delusional thought, hallucinations, and racing thoughts.