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[quote=Anonymous][quote=Anonymous][quote=Anonymous]
Seriously.  Literally no one suggested that the rest of the country is full of dullards, and that FCPS has an absurd share of gifted kids.  Also, literally no one has suggested that there are "hundreds of students scoring 40 points above the 99th percentile."  The claim was 50-100 kids scoring 30-40 points over the 99th percentile.

Iready, like almost all nationally normed tests, likely does not include an affluent, tiger mom area with large numbers of kids in enrichment programs in their norming group.  [b]Across the country, there would likely be many more than 1% of the kids scoring above the 99th percentile.[/b]  This same phenomenon occurs with CogAT and NNAT.  There's a reason that over 10% of FCPS kids score in the top 2% of the nationally normed CogAT, and it does not mean that FCPS kids are just that smart.  Every single other affluent, educated area with motivated parents sees absurdly many kids scoring 132+ on the CogAT.  The norming is not accurate at the high ends.

[/quote]

This is funny.[/quote]
 :roll: Nice way of ignoring everything that was said.

Really, though.  The "nationally representative" norming group is not going to include kids who are homeschooling because they're very advanced.  It's not going to include private school kids.  It's not likely to include kids in dedicated magnet or gifted programs.  It's not likely to include kids in super affluent areas.  It's not likely to include kids who are being instructed at school using above grade level materials.

At the low end, it's also not going to include kids in separate SN programs for ID.  Both the very low and very high ends for the norming group are not going to represent the population as a whole.  FCPS and any other affluent area will be overrepresented in the 99th percentile, because a large portion of kids are being instructed using above grade level materials, which is not common in ES across the country.  Also, a large portion of kids are taking outside enrichment, which is also not common for ES aged kids across the rest of the country.

For iready, none of this matters.  The main point of the test is to find kids in regular public schools who need interventions.  Some areas use it to help identify kids for gifted placement, but they aren't going to need accuracy at the ceiling of the test.  There's no reason for iready to even care about accurate norming at the 1st-2nd percentile or the 98-99th percentile.  [/quote]

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