Reply to TPMS MAP-M scores

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[quote=Anonymous][quote=Anonymous][quote=Anonymous]So your child's scores fell from a 99-99-99 number to a 98-99-99 number? That's unfortunate, but that [b]probably means he wasn't at the high end of the 99th percentile kids in the first place[/b]. I don't think it will change his chances to get in to a magnet very much.

Our experience is with the CES this year so obviously different from applying to MS magnets but it seemed like all the real outliers with 99th percentile scores for several grades higher got into the CES. No matter what you hear on DCUM there are not a lot of these kids.

For the 99th percentile at grade level kids it seemed like a crap shoot. Some got in and some did not. DD's CES class is filled with these kids and there are at least a dozen more at her home school who are excellent students too.[/quote]

You have no understanding of standardized testing and MAP. The difference between a 98th percentile score and a 99th percentile score is meaningless; it is will within the margin of error for testing.  If MCPS is using such fine score cuts as distinguishing one candidate as meaningfully different and better able to succeed from another, than they are misusing the data.

Also, tests like the MAP and other standardized tests largely have difficulty distinguishing between highly able students at the high end of the tale.  Both Einstein and his highly able college professor probably could score on the 99th percentile of a math achievement test, but they clearly have different levels of ability.[/quote]

I think you need a lesson in basic math and you need to calm down and not spread misinformation. Student a with 260 MAP-r (99th) is statistically different from Student b with a  230 map-r (99th). The score of Student c with a 225 map-r (98th) may be within the margin of error of student b (99th) so their scores are effectively the same. But both Students b and c are not anywhere near Student a. It is the Student As that are being admitted first into these programs. The Student bs and cs are sometimes in and sometimes not in. The standard error does get bigger at the high end but it is closer to 10, not 30. [/quote]

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