From: Peter D. <pe...@re...> - 2007-01-27 01:42:12
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On 1/27/07, Steve Blackburn <Ste...@an...> wrote: > Any other thoughts? Decreasing the variability of the scores would obviously be the first thing to do if possible and not to difficult. Another thing we could do is track the variance of the test overtime and for score result determine if the variance is statistically significant. -- Cheers, Peter Donald |