Reply to 132 Composite-- CogAT

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Reply to "132 Composite-- CogAT"

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[quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous]The biggest losers are the younger kids.  129 (the step below 132) is the 97th percentile when adjusted by age but 89th percentile when adjusted by location.  It's the 93d percentile when adjusted for neither (grade score).

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True.  FCPS has over engineered this by buying their own ratings.[/quote]

I thought the new test is age-normed and shouldn't put younger kids in any disadvantage?[/quote]

That's correct. It is age-normed so it puts the older kids at a disadvantage instead of the younger ones. The older kids are basically being compared to 3rd graders for the scores that matter (composite score, etc.). For example, a child born in September may have done significantly better than a child born in October. However, the child born in September could still have a lower score because he/she is being compared to 3rd graders. This does not make sense to me since they are all applying for the same grade. It is completely unfair for an older child. We moved here from an area where the cutoff is August. Therefore, my kid is naturally old for his grade. [/quote]

No.  The "Local Scores" and "Grade Scores" are not age normed.  The results are pooled as:

"Grade Scores" which is their relative ranking against all kids in the same grade in the US who took the test this year,
"Age scores" which is their relative ranking against all kids of the same age, by month, and
"Local Scores" which is their relative ranking against all kids in the same grade in FCPS

Since this year the only score that counts for the pool is the composite (which is based on "Grade Scores" younger kids are at a disadvantage.  When you compare "Age Scores" for oldest to youngest there is about a 10 point swing.

As the pool size gets smaller, the reliability goes down which is the problem with the "local scores".

When using non-age adjusted scores there is a fairly strong bias (about 10 percentile swing (or .4 standard deviation) against the younger since they have had less experience in school and life.

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