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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