Asymmetrical Information, in "Does IQ Matter", feels that Head Start programs are not very useful and points to the study of the more "effective" program, " is useless, and even expensive interventions like the Perry pre-school project produced results that are distinctly disappointing from a cognitive perspective.

Of course the conclusions are debatable, the conclusion of the Perry project was:
  • A benefit-cost analysis was conducted by estimating the monetary value of the program and its effects in constant 2001 dollars discounted annually at 3%. Dividing the $105,324 in benefits per participant by the $14,716 in cost per participant results in a benefit-cost ratio of 716% of the program investment returned to the public.


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