In the study described in Exercise 19.18, 11.5% of the Normal testosterone group and 17.9%

of the High testosterone group had a history of childhood Delinquency.

a) Is there a significant relationship between these two variables?

b) Interpret this relationship.

c) How does this result expand on what we already know from Exercise 19.18?

Exercise 19.18

Dabbs and Morris (1990) examined archival data from military records to study the relationship between high testosterone levels and antisocial behavior in males. Out of the 4,016 men in the normal testosterone group, 10.0% had a record of adult delinquency. Out of the 446 men in the high testosterone group, 22.6% had a record of adult delinquency.