Which of the Following Children in Child Care Will Have

Which of the following children in child care will have the highest cognitive development?

A) Marcus, who is middle class and is cared for by a neighbor two afternoons a week.
B) Julius, whose family is poor and is cared for at home by his aunt.
C) Joachim, who began child care at age 4.
D) Joachim, whose family is wealthy and attends a family daycare.
E) Maria, whose family is poor and attends a cognitively-enriched program.