Denying an individual a promotion due to that person's age is called _______________

When obtaining information from large numbers of people from written questionnaires, one is using the ______ method

Fill in the blank with correct word

After Olga's last final examination, she began experiencing auditory hallucinations and told her friends about her plans to reunite all missing children from around the world with their parents. Olga's friends were relieved two weeks later when Olga reported that she was not hearing any voices an did not have any plans for reuniting missing children. Olga most likely experienced.

a. an undiagnosable event b. a schizophreniform disorder c. a brief psychotic disorder d. a shared psychotic disorder