Perceived usefulness (PU)
| No. | Item | Strongly disagree | Disagree | Neither agree nor disagree | Agree | Strongly agree | Total |
|---|---|---|---|---|---|---|---|
| 1 | My job would be difficult to perform without the mood-matrix | 0 | 2 | 1 | 1 | 0 | 4 |
| 2 | Using the mood-matrix gives me greater control over my work | 0 | 1 | 1 | 1 | 1 | 4 |
| 3 | Using the mood-matrix improves my job performance | 0 | 0 | 0 | 3 | 1 | 4 |
| 4 | The mood-matrix system addresses my job-related needs | 0 | 0 | 1 | 3 | 0 | 4 |
| 5 | Using the mood-matrix saves me time | 0 | 0 | 2 | 2 | 0 | 4 |
| 6 | The mood-matrix enables me to accomplish tasks more quickly | 0 | 1 | 0 | 2 | 1 | 4 |
| 7 | The mood-matrix supports critical aspects of my job | 0 | 0 | 0 | 2 | 2 | 4 |
| 8 | Using the mood-matrix allows me to accomplish more work than would otherwise be possible | 0 | 0 | 2 | 1 | 1 | 4 |
| 9 | Using the mood-matrix reduces the time I spend on unproductive activities | 0 | 0 | 2 | 1 | 1 | 4 |
| 10 | Using the mood-matrix enhances my effectiveness on the job | 0 | 0 | 0 | 2 | 2 | 4 |
| 11 | Using the mood-matrix improves the quality of the work I do | 0 | 0 | 0 | 2 | 2 | 4 |
| 12 | Using the mood-matrix increases my productivity | 0 | 0 | 0 | 3 | 1 | 4 |
| 13 | Using the mood-matrix makes it easier to do my job | 0 | 0 | 1 | 2 | 1 | 4 |
| 14 | Overall, I find the mood-matrix system useful in my job | 0 | 0 | 0 | 3 | 1 | 4 |
| No. | Item | Strongly disagree | Disagree | Neither agree nor disagree | Agree | Strongly agree | Total |
|---|---|---|---|---|---|---|---|
| 1 | My job would be difficult to perform without the mood-matrix | 0 | 2 | 1 | 1 | 0 | 4 |
| 2 | Using the mood-matrix gives me greater control over my work | 0 | 1 | 1 | 1 | 1 | 4 |
| 3 | Using the mood-matrix improves my job performance | 0 | 0 | 0 | 3 | 1 | 4 |
| 4 | The mood-matrix system addresses my job-related needs | 0 | 0 | 1 | 3 | 0 | 4 |
| 5 | Using the mood-matrix saves me time | 0 | 0 | 2 | 2 | 0 | 4 |
| 6 | The mood-matrix enables me to accomplish tasks more quickly | 0 | 1 | 0 | 2 | 1 | 4 |
| 7 | The mood-matrix supports critical aspects of my job | 0 | 0 | 0 | 2 | 2 | 4 |
| 8 | Using the mood-matrix allows me to accomplish more work than would otherwise be possible | 0 | 0 | 2 | 1 | 1 | 4 |
| 9 | Using the mood-matrix reduces the time I spend on unproductive activities | 0 | 0 | 2 | 1 | 1 | 4 |
| 10 | Using the mood-matrix enhances my effectiveness on the job | 0 | 0 | 0 | 2 | 2 | 4 |
| 11 | Using the mood-matrix improves the quality of the work I do | 0 | 0 | 0 | 2 | 2 | 4 |
| 12 | Using the mood-matrix increases my productivity | 0 | 0 | 0 | 3 | 1 | 4 |
| 13 | Using the mood-matrix makes it easier to do my job | 0 | 0 | 1 | 2 | 1 | 4 |
| 14 | Overall, I find the mood-matrix system useful in my job | 0 | 0 | 0 | 3 | 1 | 4 |
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