Table 3.
Descriptive statistics and variance shared by the variables.
|
|
Mean | SD | Number of items | Cronbach alpha | PU | EOU | CONF | SAT | CONT |
| Perceived usefulness of the system (PU) | 4.2 | 0.9 | 4 | .86 | .85 a |
|
|
|
|
| User-friendliness of the system (EOU) | 4.3 | 0.8 | 4 | .93 | .68b | .91 |
|
|
|
| Confirmation of expectations (CONF) | 4.0 | 1.0 | 3 | .87 | .82b | .68b | .89 |
|
|
| Satisfaction with the system (SAT) | 4.2 | 0.9 | 4 | .80 | .72b | .58b | .73b | .82 |
|
| Intention to continue using the system (CONT) | 4.5 | 0.8 | 3 | .93 | .81b | .62b | .76b | .72b | .94 |
aThe ratios on the diagonal represent the square root of the variance shared by each variable and its respective items. The ratios below the diagonal are correlations between variables.
b P<.001.