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PostPosted: Wed May 08, 2019 12:52 pm 
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Joined: Wed Dec 01, 2010 9:57 am
Posts: 377
Just a question out of statistical curiosity, as it was mentioned on an EP report we have had completed for our daughter. Does anyone know how mean scores correlate to percentile ranks? I know there are defined correlations for each battery, such as 141 equals 99th NPR etc..
But does anyone know how are the combined scores correlated? For instance, a lot of children will not score consistently across all batteries, some will be stronger on VR than NVR or vice versa...so if a child scores highly or lowly across all batteries, how does this correlate to an overall NPR?


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