Pre-K Can Work: Needy kids could benefit, but only if we use proven pedagogy and hold programs accountable.

Shephard Barbash:

The one approach that Follow Through found had worked, Direct Instruction, was created by Siegfried Engelmann, who has written more than 100 curricula for reading, spelling, math, science, and other subjects. Engelmann dates DI's inception to an experiment he performed at the University of Illinois at Champaign-Urbana in the summer of 1964. He took two groups of three- to five-year-olds--one white and affluent, one black and poor--and tried to teach them "sophisticated patterns of reasoning. . . . things that Piaget said couldn't be taught before the age of formal operations--around 11 or 12." These things included concepts like relative direction (A is north of B but south of C) and the behavior of light entering and leaving a mirror. Both groups learned what Piaget said they couldn't at their age. But to Engelmann's consternation, the affluent kids learned faster. He traced the difference to a severe language deficit in the African-American group (the deficit that Hart and Risley later quantified) and resolved to figure out how to overcome it.

Engelmann and two colleagues, Carl Bereiter and Jean Osborn, went on to open a half-day preschool for poor children in Champaign-Urbana that dramatically accelerated learning even in the most verbally deprived four-year-olds. Children who entered the preschool not knowing the meaning of "under," "over," or "Stand up!" went into kindergarten reading and doing math at a second-grade level. Engelmann found (and others later confirmed) that the mean IQ for the group jumped from 96 to 121. In effect, the Bereiter-Engelmann preschool proved that efforts to close the achievement gap could begin years earlier than most educators had thought possible. The effects lasted, at a minimum, until second grade--and likely longer, though studies on the longer-term effects weren't performed.

Posted by Don Severson at January 12, 2010 3:43 PM
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