Originally Posted by aeh
The extended norms are not quite a completely different set of norms, since they require obtaining an 18 or 19 on the standard norms to be applicable, but yes, it is possible for scores on the low end of 19 to turn out a little lower on the ExNorms.

Aeh, my daughter is also 9yo and scored 18 on a few subtests but did not reach 19 on any. Would it be recommended to review for extended norms or is it not applicable since she did not reach ceilings?