Reply to testing and overrepresentation of 99th percentiles here

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[quote=Anonymous][quote=Anonymous][quote=Anonymous]You can't make those assumptions (poster 16:37), my child scored 139 (99%) on NNAT, but only scored in the  52% on nonverbal in FFX Cogat this year.[/quote]

I noticed that many parents have reported huge discrepancies between last year's NNAT scores and this year's CogAT results. Is this something that happened in previous years too?[/quote]

Well, like other posters have said, there are roughly 120-ish kids per percentage point on the FAT test.

So let's say your kids was in the 98% on the NNAT (I am just throwing numbers out her, with no statistical basis) and got an 85% on the FAT test.  That would mean that your kid was in roughly the top 1800 students district wide.

There are 141 elementary schools in the district.  Scoring 85% on the FAT would mean that your kid is roughly one of the top 12-13 kids in your school.  Since they pull out at least that number of kids or more for advanced enrichment, then a ranking of 85% would be nothing to get upset about, and is very well quite accurate.  (In my kid's class alone they pull out 6 kids.  There are 4 classes in his grade, so lets say there are 24 kids in the school getting pulled out  That would mean an 85% would be in the top half of the top kids at our school).

That kind of discrepancy makes sense when you put it like that.[/quote]

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