Effectiveness of MyPlan 2.0. in Older Adults

eHealth intervention to increase physical activity in older adults. MyPlan 2.0 consists of five website visits. The first website visit contains pre- and post-intentional processes. The following four website visits contains mainly post-intentional processes. During the first website, participants fill in a questionnaire about their physical activity levels, and receive feedback. Furthermore, they are asked to make an action plan and think about barriers to reach their activity goals and possible solutions to tackle these barriers. During the other four website visits, participants receive feedback about their behavior change process and their action plan (did they reach their goal)? During these website visits, they can adapt their action plans.