A Study of Juvenile Delinquency Reveals a Strong Correlation Between

Multiple Choice

A study of juvenile delinquency reveals a strong correlation between illegal drug use and delinquent acts. The researcher concludes that illegal drug use is the cause of delinquent acts. Looking at the same data, another researcher comes to the conclusion that delinquent acts lead to illegal drug use. Which causal rule are both researchers forgetting here?

A) Temporal order
B) Correlation
C) Lack of plausible alternative explanations
D) None. All three causal rules have been established.