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Politics : Formerly About Advanced Micro Devices
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To: koan who wrote (780252)4/16/2014 9:09:06 PM
From: TimF  Read Replies (1) of 1583177
 
which gives them a big leg up intellectually

Very little evidence for that. To the extent they get a leg up, its mostly from better schools all the way along their education, and access to tutors and other assists in learning.

We liberals are trying to give the poor a leg up and you pubs are trying to prevent us from doing so!

Bookings and the Department of Education are a bunch of "pubs"?

"Not one of the studies that has suggested long-term positive impacts of center-based early childhood programs has been based on a well-implemented and appropriately analyzed randomized trial, and nearly all have serious limitations in external validity. In contrast, the only two studies in the list with both high internal and external validity (Head Start Impact and Tennessee) find null or negative impacts, and all of the studies that point to very small, null, or negative effects have high external validity. In general, a finding of meaningful long-term outcomes of an early childhood intervention is more likely when the program is old, or small, or a multi-year intervention, and evaluated with something other than a well-implemented RCT. In contrast, as the program being evaluated becomes closer to universal pre-k for four-year-olds and the evaluation design is an RCT, the outcomes beyond the pre-k year diminish to nothing.

I conclude that the best available evidence raises serious doubts that a large public investment in the expansion of pre-k for four-year-olds will have the long-term effects that advocates tout."

brookings.edu
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