Reply to What type of MAP-M are 5th graders getting?

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Reply to "What type of MAP-M are 5th graders getting?"

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[quote=Anonymous][quote=Anonymous]So are the scale scores between the different levels of the MAP supposed to be more or less equivalent? There’s the one they take in K-2, the one they take 3-5 and then 6+… if a kid scores say a 250 on any of these is that score “supposed” to mean the same thing? [/quote]

Yes, with the caveat that MAP scores are extremely lossy. The overall score is an average of 4 subscores, and it is not a single-level test. (Contrast against IAAT which is specifically targeted at Algebra 1)
It uses statistical woo to arrive at a statistical "level".

In practical terms, this means that someone who has learned more math but is sloppy gets the same score as someone who has learned less math but is more careful and precise, despite the fact that those two students have differing needs for their near-term math education.

For MAP-M 3-5 vs 6+, it means that sloppy students who already know some HS Algebra and HS Geometry lose points on 3-5 for sloppiness but don't get points for Algebra and Geometry.

Careful students who only know Math 6 get points for accuracy but don't lose points for not knowing Algebra.

This doesn't matter much for Algebra placement, but explains why many students see a score drop when they switch to 6+ test. 
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