A Framework of the Training Module for Untrained Observers in Usability Evaluation Motivated by COVID-19: Enhancing the Validity of Usability Evaluation for Children’s Educational Games
Table 4
Mann–Whitney U test statistics.
Test statisticsa
Learnability
Memorability
Enjoyment
Difficulty of use
Mann–Whitney U
79.500
112.000
76.000
121.500
Wilcoxon W
289.500
322.000
286.000
331.500
Z
−3.353
−2.478
−3.456
−2.149
Asymp. sig. (2-tailed)
0.001
0.013
0.001
0.032
Exact sig. [2(1-tailed sig.)]
0.001b
0.017b
0.001b
0.033b
a: grouping variable: group. b: not corrected for ties.