Which of the Following Is Probably to Blame When Explaining

Multiple Choice

Which of the following is probably to blame when explaining discrepancies in research findings related to day care and its influence on cognitive development?

A) Studies involving day care fail to account for the size of the facility and number of children enrolled.
B) Studies that relate to impoverished children are more accurate if the studies are small.
C) Too many studies focus on the problems of middle class children but not impoverished children.
D) There is a discrepancy in the level of stimulation a child would receive at home versus day care.