Table 5 Cronbach alpha coefficient results (Total N = 405)
From: An expectancy value theory (EVT) based instrument for measuring student perceptions of generative AI
|  | N of items | Mean | Variance | S.D | Cronbach’s Alpha |
|---|---|---|---|---|---|
Knowledge | 5 | 20.086 | 10.709 | 3.272 | 0.812 |
Perceived value | 11 | 40.909 | 50.228 | 7.087 | 0.876 |
Attainment value | 4 | 14.552 | 9.065 | 3.011 | 0.750 |
Intrinsic value | 3 | 10.687 | 5.855 | 2.420 | 0.689 |
Utility value | 4 | 15.670 | 8.136 | 2.852 | 0.757 |
Perceived cost | 4 | 12.158 | 12.214 | 3.495 | 0.746 |