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 7
Result of construct assessment.
Constructs
Items
Factor loading
Mean ± SD
CR
Cronbach’s α
AVE
Learnability
Lea 1
0.787
3.815 ± 0.926
0.928
0.815
0.521
Lea 2
0.745
3.825 ± 0.936
Lea 3
0.741
3.845 ± 0.956
Lea 4
0.786
3.816 ± 0.921
Lea 5
0.787
3.817 ± 0.936
Lea 6
0.785
3.715 ± 0.826
Ease of Use
EoU 1
0.783
3.972 ± 0.971
0.814
0.981
0.576
EoU 2
0.882
3.712 ± 0.825
EoU 3
0.784
3.713 ± 0.974
EoU 4
0.742
3.714 ± 0.975
EoU 5
0.881
3.854 ± 0.923
Memorability
Mem 1
0.787
3.716 ± 0.923
0.821
0.912
0.531
Mem 2
0.787
3.717 ± 0.932
Mem 3
0.786
3.815 ± 0.822
Enjoyment
Enj 1
0.787
3.716 ± 0.923
0.834
0.971
0.586
Enj 2
0.787
3.717 ± 0.932
Enj 3
0.786
3.815 ± 0.822
Enj 4
0.785
3.612 ± 0.975
Enj 5
0.784
3.775 ± 0.921
Educating untrained observers in usability evaluation
EUOUE 1
0.874
3.647 ± 1.072
0.834
0.991
0.556
EUOUE 2
0.758
3.624 ± 1.024
AVE: average variance extracted, SD: standard deviation, Lea= learnability; EoU= ease of use; Mem= memorability, Enj= enjoyment; EUOUE= usability evaluation.
