Table 1.

BPRS scores for the participants with schizophrenia. The column marked “Min possible” is the smallest possible score for each summary score. As noted in the text, summary scores are sums of individual item scores, each of which has a minimum value of 1. The columns marked “Min” and “Max” list the actual minimum and maximum summary scores among the participants.

Score	Min possible	Mean	SD	Min	Max
Thinking disturbance	3	6.3	4.1	3	14
Withdrawal	3	4.3	2.8	3	12
Anxiety	4	6.3	2.2	4	11
Hostility	3	3.8	1.8	3	9
Activation	3	3.5	.9	3	6
Psychosis	4	7.8	4.8	4	18
Positive symptoms	7	11.3	4.8	7	22
Negative symptoms	4	5.8	3.6	4	16
Total Score	20	28.9	7.8	20	40