Suppose That a Sociologist Notices a Correlation Between the Rate

Multiple Choice

Suppose that a sociologist notices a correlation between the rate of personal bankruptcy filings and the suicide rate. As the bankruptcy rate increases, the suicide rare increases, and vice versa. The sociologist concludes that personal bankruptcy is a cause of suicide. What method did the sociologist use in drawing this conclusion?

A) The method of concomitant variation.
B) The method of agreement.
C) The method of difference.
D) The method of residues.
E) The joint method of agreement and difference.