Why is it difficult to evaluate the long-term benefits of the Head Start program in a scientific way?
a. because it is not representative of the entire American population
b. because it is funded at public expense
c. because it is difficult to keep track of the children who were involved with it
d. because it was not set up as an experiment
Question 2
The Abecedarian Program was more successful than other preschool compensatory programs in fostering long-term success most likely because of all of the following except
a. it began at age 2 and continued through age 5.
b. children attended all year long, not just during the school year.
c. it had a low student-to-teacher ratio that allowed the staff to individualize instruction.
d. about half the participants received school-age intervention from kindergarten through grade 3.
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