THE AIMS: The project aims at investigating of the effects of three types of planning (individual planning, collaborative planning, and dyadic planning) on physical activity.The influence of three planning interventions are compared with an active control condition, including physical activity education. PARTICIPANTS: The effects of the interventions are evaluated among dyads of patient and his/her partner. The patients with physical activity-related chronic diseases (cerebrovascular diseases or diabetes) will be enrolled. A minimum of 50 dyads enrolled into the each arm of the trial (a total of 200 dyads). The interventions consist of six planning sessions.