Originally Posted by aeh
If the index scores are all below 140, then differences resulting from use of the extended norms probably reflect outliers among the subtest scores, which means additional clinical interpretation is necessary anyway.
Aeh, what about those who had 1 19 and a bunch of 17s and indices in the 140s? Is the thinking that extended norms might make a little difference but not a significant one?

Last edited by George C; 07/08/15 04:23 PM.