Content validity and correlation coefficient of item-total scores of the scale
| Items | Corrected I-CVI | Item–total correlations |
| A1 Cognitive activity | 1 | 0.57 |
| A2 Emotion and feeling | 0.85 | 0.57 |
| A3 Overcoming difficulties | 0.85 | 0.59 |
| B1 Physical activity | 1 | 0.57 |
| B2 Intensity of physical activity | 1 | 0.65 |
| C1 Time pressure | 1 | 0.69 |
| C2 Multiple tasks | 0.85 | 0.69 |
| D1 Risk concern | 1 | 0.64 |
| E1 Depressed or frustrated | 1 | 0.75 |
| E2 Anxious or irritated | 1 | 0.75 |
| F1 Successful | 1 | 0.33* |
| F2 Satisfied | 1 | 0.31* |
*Item-total scores were below 0.4.
I-CVI, item-content validity index.