From: Comparative effectiveness of videotape and handout mode of instructions for teaching exercises: skill retention in normal children
Days
Group1
(N = 44)
Group 2 (N = 43)
't' value
P value
Mean
SD
Acquisition phase
GTD1
53.86
7.12
54.25
6.20
0.27 NS
0.79
Retention phase
GTD2
54.4
5.71
54.04
5.86
0.29 NS
0.77