The following question(s) are based on the following situation: The Children at Risk (CAR) program intervenes in the lives of high-risk adolescents 11 to13 years of age who live in severely distressed neighborhoods. Harrell and her colleagues sought to answer three primaryquestions:Did CAR youths and families participate in more services and prosocial activities during the program than youths and families in the control and comparison groups? Did CAR youths and caregivers have fewer risk factors and/or protective factors than youths and caregivers in the control and comparison groups one year after the program ended? Were CAR youths less likely to exhibit problem behaviors in the year following the end of the program than high-risk youths in the control group who did not receive CAR services?The first question is an evaluation of: a. Need b. Process c. Impact d. Outcome e. Efficiency