Perceived ease of use (PEU)
| No. | Item | Strongly disagree | Disagree | Neither agree nor disagree | Agree | Strongly agree | Total |
|---|---|---|---|---|---|---|---|
| 1 | I often become confused when I use the mood-matrix | 0 | 3 | 1 | 0 | 0 | 4 |
| 2 | I make errors frequently when using the mood-matrix | 0 | 3 | 1 | 0 | 0 | 4 |
| 3 | Interacting with the mood-matrix system is often frustrating | 0 | 4 | 0 | 0 | 0 | 4 |
| 4 | I need to consult the user manual often when using the mood-matrix | 0 | 4 | 0 | 0 | 0 | 4 |
| 5 | Interacting with the mood-matrix system requires a lot of my mental effort | 0 | 3 | 1 | 0 | 0 | 4 |
| 6 | I find it easy to recover from errors encountered while using the mood-matrix | 0 | 1 | 1 | 2 | 0 | 4 |
| 7 | The mood-matrix system is rigid and inflexible to interact with | 0 | 3 | 1 | 0 | 0 | 4 |
| 8 | I find it easy to get the mood-matrix system to do what I want it to do | 0 | 2 | 1 | 1 | 0 | 4 |
| 9 | The mood-matrix system often behaves in unexpected ways | 0 | 2 | 2 | 0 | 0 | 4 |
| 10 | I find it cumbersome (slow/complicated/inefficient) to use the mood-matrix | 0 | 4 | 0 | 0 | 0 | 4 |
| 11 | My interaction with the mood-matrix system is easy for me to understand | 0 | 0 | 0 | 4 | 0 | 4 |
| 12 | It is easy for me to remember how to perform tasks using the mood-matrix system | 0 | 0 | 0 | 4 | 0 | 4 |
| 13 | The Mood-matrix system provides helpful guidance in performing tasks | 0 | 0 | 0 | 4 | 0 | 4 |
| 14 | Overall, I find the mood-matrix system easy to use | 0 | 0 | 0 | 4 | 0 | 4 |
| No. | Item | Strongly disagree | Disagree | Neither agree nor disagree | Agree | Strongly agree | Total |
|---|---|---|---|---|---|---|---|
| 1 | I often become confused when I use the mood-matrix | 0 | 3 | 1 | 0 | 0 | 4 |
| 2 | I make errors frequently when using the mood-matrix | 0 | 3 | 1 | 0 | 0 | 4 |
| 3 | Interacting with the mood-matrix system is often frustrating | 0 | 4 | 0 | 0 | 0 | 4 |
| 4 | I need to consult the user manual often when using the mood-matrix | 0 | 4 | 0 | 0 | 0 | 4 |
| 5 | Interacting with the mood-matrix system requires a lot of my mental effort | 0 | 3 | 1 | 0 | 0 | 4 |
| 6 | I find it easy to recover from errors encountered while using the mood-matrix | 0 | 1 | 1 | 2 | 0 | 4 |
| 7 | The mood-matrix system is rigid and inflexible to interact with | 0 | 3 | 1 | 0 | 0 | 4 |
| 8 | I find it easy to get the mood-matrix system to do what I want it to do | 0 | 2 | 1 | 1 | 0 | 4 |
| 9 | The mood-matrix system often behaves in unexpected ways | 0 | 2 | 2 | 0 | 0 | 4 |
| 10 | I find it cumbersome (slow/complicated/inefficient) to use the mood-matrix | 0 | 4 | 0 | 0 | 0 | 4 |
| 11 | My interaction with the mood-matrix system is easy for me to understand | 0 | 0 | 0 | 4 | 0 | 4 |
| 12 | It is easy for me to remember how to perform tasks using the mood-matrix system | 0 | 0 | 0 | 4 | 0 | 4 |
| 13 | The Mood-matrix system provides helpful guidance in performing tasks | 0 | 0 | 0 | 4 | 0 | 4 |
| 14 | Overall, I find the mood-matrix system easy to use | 0 | 0 | 0 | 4 | 0 | 4 |
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