Pilot study (N = 89) | ||||
---|---|---|---|---|
Scales | Number of Items | Cronbach’s α | Item-rest correlation | Item difficulty (in%) |
General self-efficacy | 5 | .83 | .58 to .66 | 60.8 to 68.2 |
Self-concept: general physical capacity | 5 | .92 | .78 to .83 | 50.6 to 70.5 |
Self-concept: physical attractiveness | 5 | .84 | .58 to .71 | 57.9 to 76.1 |
Sensation seeking | 2 | .86 | 41.0, 43.6 | |
Self-efficacy for physical activity | 8 | .87 | .56 to .78 | 42.9 to 70.5 |
Physical activity enjoyment | 10 | .92 | .58 to .85 | 53.9 to 75.6 |
Sedentary behavior enjoyment (screen-based)* | 4 | |||
Sedentary behavior enjoyment (non-screen-based) | 4 | .89 | .57 to .84 | 54.2 to 66.4 |
Parental support for physical activity | 2 | .79 | 31.3, 34.8 | |
Psychological well-being | 5 | .80 | .46 to .72 | 55.3 to 74.4 |
Physical well-being | 2 | .70 | 59.8, 66.1 |