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Table 2 Behavior, academic performance, and physiological arousal regulation results

From: Treatment effects of stimulant medication in young boys with fragile X syndrome

Paired sample On medication Off medication Paired sample test Wilcoxon test
M SD M SD t p z p
Percent on task behavior 83.05 13.42 69.81 16.54 2.69 0.02 −2.20 0.03
Percent out of seat 13.92 26.38 13.87 18.54 0.0009 0.99 −0.36 0.72
WJ-R W score 456.83 19.04 450.25 19.34 2.89 0.02 −0.23 0.02
WJ-R age equivalent 64.08 19.29 57.67 18.22 3.15 0.009 −2.45 0.01
Interbeat interval 23.50 20.27 3.50 20.97 2.54 0.03 −1.89 0.06
Vagal tone 0.22 1.40 −0.10 0.54 0.67 0.52 −0.36 0.72