The parents of two-year-old Antonina notice that she rarely says any words and has never really made eye contact with them. She is intensely preoccupied with the buttons and zippers on clothing and pays little attention to anything else. Antonina most likely has:

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?