Persons with Schizophrenia Are Randomly Assigned to Either an Attention-Training

Multiple Choice

Persons with schizophrenia are randomly assigned to either an attention-training group or a social skills training group. Equal numbers of males and females were in each training group. Scores on a measure of thought disorder, a prominent symptom in schizophrenia, were examined after the end of the training sessions. What is the independent variable?

A) Schizophrenia
B) Thought disorder scores
C) Treatment groups (attention or social skills)
D) Gender of the participants