Although Interventions Are Designed to Change Behavior and Enhance Health,sometimes

Multiple Choice

Although interventions are designed to change behavior and enhance health,sometimes this does not happen.In a classic example of this issue,Mann et al,1997 evaluated an eating disorder program and found that:

A) the students in the control group actually did better than those in the experimental group
B) friends of students in the study got worse
C) students in the experimental group got worse instead of better
D) roommates of students in the experimental group did worse than the experimental students