Table 3 Construct validity and reliability
|  | Cronbach’s Alpha | rho_A | Composite reliability | Average variance extracted (AVE) |
|---|---|---|---|---|
Competency Access (COA) Factor | 0.878 | 0.892 | 0.911 | 0.672 |
Material Access (MAA) Factor | 0.756 | 0.772 | 0.840 | 0.568 |
Meaning Access (MEA) Factor | 0.904 | 0.910 | 0.926 | 0.675 |
Perceived Ease of Use (PEOU) | 0.915 | 0.916 | 0.947 | 0.855 |
Perceived Usefulness (PU) | 0.856 | 0.878 | 0.912 | 0.776 |
Usage Intentions (UI) | 0.920 | 0.921 | 0.949 | 0.862 |