On both subtest there was a difference in the distribution of scores and the subjects in the research group were more likely to score lower on the tests than the subjects in the control group.
Á báðum undirprófunum er dreifing hópanna ólík og algengara að börn í rannsóknarhópnum séu að fá lægri mælitölur en börn í samanburðarhópnum.