| Time 1 | Time 2 | Contrast within-subjects | |||
| M (SD) | M (SD) | F (1, 349) | η2 | p | |
Expectancy-related beliefs | 4.23 (.68) | 4.18 (.53) | 2.56 | .01 | .111 | |
Task values | 4.17 (.68)** | 3.95 (.68)** | 26.87 | .07 | .001 | |
Intention | 4.37 (.86)** | 4.18 (.95)** | 14.84 | .04 | .001 | |
Physical activity | 3.34 (.86) | 3.31 (.61) | .74 | .00 | .390 |