Table 4 Rotated factor loadings and Cronbach’s α values for ARC scale

Factor 1: Usefulness, α = 0.801, mean = 4.18, SD = 0.55

 Usefulness 1

0.680

 Usefulness 2

0.613

 Usefulness 3

0.558

 Usefulness 4

0.754

 Usefulness 5

0.679

 Usefulness 6

0.538

Factor 2: Affect, α = 0.876, mean = 4.12, SD = 0.61

 Affect 1

0.640

 Affect 2

0.598

 Affect 3

0.610

 Affect 4

0.602

 Affect 5

0.697

 Affect 6

0.684

 Affect 7

0.645

 Affect 8

0.560

Factor 3: Behavior, α = 0.821, mean = 4.62, SD = 0.47

 Behavior 1

0.662

 Behavior 2

0.813

 Behavior 3

0.809

 Behavior 4

0.861

 Behavior 5

0.609

 Behavior 6

0.459