Gifted Issues Discussion homepage Forums Identification, Testing & Assessment Weird Scores

Dottie, it is disturbing. If you look at the RIT Block Growth Norms, a 2nd grader starting with an initial RIT score between 150-159 has a mean growth of 21.4. A 2nd grader with an initial RIT score between 200-209 has a mean growth of 7.9.

ColinsMum thanks, now I feel better about the SD definition I'd learned in my stats class.