The study evaluates the effectiveness of the game-intervention in promotion of physical activity self-efficacy and physical activity behavior among early 10 to 13 years old adolescents. Participants allocated to the Health game intervention group will use a game called Movenator, during a four week intervention and participants allocated to the Sport and fitness-intervention group will use a commercially available Sport and fitness application for running, cycling and every-day training, during a four week intervention period.
The study evaluates the effectiveness of the game-intervention in promotion of physical activity self-efficacy and physical activity behavior among early adolescents (10-13 year olds). Half of the study participants will receive the game-intervention and half of the study participants will receive a commercially available sport and fitness application for running, cycling and every-day training.