In a Study of Children from Elementary School to Young

In a study of children from elementary school to young adulthood Mahoney,2000) ,participation in extracurricular activities for at least a year was associated with high rates of graduation and low rates of criminal activity if the student's

A) parents supported extracurricular activity.
B) peer group also participated in the extracurricular activity.
C) teachers made adjustments in their expectations.
D) community was upper middle class.