An economic interest group works to . A. benefit the public as a whole
B. gain economic advantages for its members
C. get federal assistance for a state government
D. make U. S. policies favorable to a foreign government

Atherapist at a free university clinic treats elementary school children with behavior problems who are referred by a social service agency. she is also a doctoral candidate who proposes using data she has and will collect about the children for a case-based research project. describe the type of parental permission which is required in this case?