Recent evaluations of the Head Start program have indicated that ...

[CQXA]

Recent evaluations of the Head Start program have indicated that the
 
  a. program has little or no effect on children's performance in school.
  b. beneficial effects of the program do not appear until the third or fourth year of elementary school.
  c. program has resulted in long-lasting improvements in intellectual performance.
  d. program has yielded short-term benefits in improving children's performance in school.

Question 2

Which of the following is not a disadvantage of longitudinal studies?
 
  a. Participants may get better at taking the tests over time.
  b. There is the possibility of an age-history confound.
  c. There is the possibility of a cohort effect.
  d. They can be rather costly.

[sokh]

Answer to Question 1

D

Answer to Question 2

C