The majority of early-intervention programs in the 1960s that were designed to enhance the intellectual development of poor children: were…


The preponderance of early-intervention programs in the 1960s that were calculated to improve the psychological product of inconsiderable children:

were prudent, large-scale programs.

initially increased children's IQ scores substantially.

were undignified in preventing assignment to special-education classes and decreasing the air of entity held tail a year in ground.

had long-term effects on IQ scores.

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