highly significantp < 0.005
(2) When one uses a t -test for independent samples both the SNC and NN tests show highly significant differences between the DD and the TA4 (fourth graders with typical ability) children: t (47) = 2.965, p < 0.005 for the SNC test and t (49) = 3.185, p < 0.003 for the NN test.