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Assessing follow through: changes in scholastic ability over a five year period.
The purpose of this study is to evaluate the effects of Project Follow Through, a federally funded compensatory education program for reducing the progressive intellectual retardation of culturally disadvan- taged children as they advance through school. The progressive intellectual retardation of children from poor environments has long been noted. Gordon (cited in Hunt, 1969) in studying the mental develop- ment of a sample of English canal boat children, noted that at ages four to six their mean IQ was 90 and then decreased to a mean of around 60 at ages twelve to twenty-two. In this study he found age and IQ to have a high negative correlation (-.755).