This thesis is about volunteer motivation and engagement. The research elaborates on the motivation and engagement of volunteers in the project InduS. Nowadays, a world without volunteers cannot be imagined. They get more and more important in every aspect of social life, for example volunteers are …

Background: This follow-up study investigated the year-round effects of a four-week randomized controlled trial using different types of feedback on employees’ physical activity, including a need-supportive coach intervention. Methods: Participants (n=227) were randomly assigned to a Minimal Intervention …