I believe that the point of the study was to see whether the curriculum had an effect on the children. It was not merely a question of whom they were placed with. The curricula themselves were different among the different groups. The curricula should have made a difference, but didn't. That is a massive failure. One group got a treatment, the other did not.

They did address the question of moving from the top of the class to the bottom of the class, and their conclusion was that the curriculum certainly did not overcome that, which is a huge problem. Those children are making big sacrifices--often leaving a social circle, sitting on a bus longer--to get an enriched curriculum. It's known they're giving up quite a bit. So if they're not getting anything from it, that is a problem.

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It says nothing about the gifted at all... it merely notes their effects on the other children around them.

That is not true.

They also looked at children who passed to G&T schools via lottery, and those who qualified but didn't get in through the lottery, controlling for initial test scores (which ranged well into the 99th percentile). This is in the LA Unified, which is huge and a mess. Lottery kids did not outperform their peers except in science.

I personally think this study is suggestive of a few things.

Firstly, it might simply be that a single year of acceleration is not enough to make a difference for math and LA scores. In our school district, they work one grade level ahead. But many children, at least until they hit Algebra, are at LEAST a grade level ahead, and I don't mean the profoundly gifted. I mean any child from an enriched background. Many school districts "spiral" and introduce concepts before making sure that every child totally gets them. The study would suggest that the gifted program is coming nowhere near these kids' capacities to enrich their learning.

I think that is totally plausible, considering that my daughter and most of her peers are about two years ahead in reading and math skills, but only 1% of them will get into the G&T program, which only works one grade level ahead, except in science and poly sci. (The assumption is that their critical thinking is advanced so they can do that.)

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I'm afraid its premise will be read as :there's no proven benefit for gifted education.

And if that were the case I would argue that it would be because very few gifted education settings really meet the needs of the students.

Well yeah. I mean if you're three standard deviations above the mean, or even one, you can PROBABLY handle a curriculum which is geared towards catching children up from four 'lost' years in which they had no enrichment at home.

But a second hypothesis might be that up to third grade, the lower-performing kids actually catch up, and the average classrooms see more accelerated learning, than they had been able to get to in K, 1, 2, when many of them are just trying to make up for the lost years of the poorer children. Plus you get a lot of learning-disabled kids out of the pool.