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. Author manuscript; available in PMC: 2013 Jan 1.
Published in final edited form as: J Commun Disord. 2011 Oct 20;45(1):12–19. doi: 10.1016/j.jcomdis.2011.10.001

Table IV.

Comparison between ratings on three parameters of the electronic and paper versions of the PedsQL 4.0 via paired t-test.

Mean %
absolute
score
difference		 Standard
deviation		 T
statistic		 2
tailed
p
value
(.05>)
Ease of Reading VAS (Child) .47 13.5 0.15 .88
Ease of Answering Questions
VAS (Child)		 8.37 19.2 1.9 .07
Ease of Changing Answers VAS
(Child)		 11.11 26.2 1.85 .08
Ease of Reading VAS (Parent) 4.89 25.9 0.83 .42
Ease of Answering Questions
VAS (Parent)		 8.21 22.2 1.6 .13
Ease of Changing Answers VAS
(Parent)		 15.2 46.95 1.41 .18