Sergio Is Co-Leading a Social Skills Group for Children with Aspergers.He

Multiple Choice

Sergio is co-leading a social skills group for children with Aspergers.He and his co-leader must collect data on group members' progress:

A) before the group starts and at the end of the group,but not during the group.
B) before,during,and after all interventions.
C) only at the last group session.
D) only if the group members' parents request it.