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[quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous]

What does it mean that they use aged norm percentile?  Just got our letter and am trying to understand what the percentiles mean.  Do you mean that my child was compared to others her exact age? [/quote]

I believe it compares to other kids born her same month, although now I'm not positive where I saw that. But it's different than the grade-normed result, which would compare to all 2nd graders regardless of age.  [/quote]

actually I am looking at the letter and it says it compares students across the US who are the exact same age.[/quote]

what I want to know is how does that affect kids who are older or younger than the usual age for 2nd grade.  Obviously they are compared to other kids their same age but I wouldn't expect there to be a huge pool of kids of the same age (for redshirted or early entry).  just wondering how that affects scores.  [/quote]

Interesting question -- I think you're trying to see if the older/younger kids are being compared against a smaller group of peers than the middle kids.  Looks like Inview is normed against a 2007 pool of test-takers (http://www.ctb.com/ctb.com/control/ctbProductViewAction?productFamilyId=449&productId=875&p=products), but we don't know how big that pool was, so it's hard to know how many people are in each age-normed group or what exactly the age-normed bin is (e.g. age in months or weeks or days).  But since the test can be given at any point during the year (MCPS does December, but other school systems may do it earlier or later), there may have been a good number of kids in the norming pool who were (for example) 7 years and 4 months when they took it (like an August birthday kid would be in MCPS in December), or 8 years and 3 months (for comparison with a September birthday kid).  We don't know since the norming pool info isn't easily available, but the designers of Inview hopefully put a good effort into creating a representative pool, since that's an important part of this kind of testing.[/quote]

Yes that was exactly what I was asking.  Good point that the designers would have taken this into account.  Apparently there are two ways 2 score - one of which compares all kids based on their grade and one which compares kids based on their ages.  I'm assuming that the scores I received from MCPS were based on the latter (based on the statement in the letter about "exact age" comparison).[/quote]

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