Which of the Following Is a Complicating Factor in Studying

Multiple Choice

Which of the following is a complicating factor in studying the effects of family day care?

A) There is too much individual variation between familial caregivers.
B) Very few children have family day care.
C) Most children who have family day care are also enrolled in another type of day care.
D) Most children who have family day care come from wealthy families.