GENERAL INTRODUCTION Fixed orthodontic treatment Orthodontics is the branch of dentistry concerned with facial growth and the development of the dentition, and with occlusion and the prevention and correction of occlusal anomalies [1]. Approximately 53-57% of Dutch 12-year olds undergo orthodontic treatment—some …

Background: A large number of people participate in individual or unorganized sports on a recreational level. Furthermore, many participants drop out because of injury or lowered motivation. Potentially, physical activity–related apps could motivate people during sport participation and help them to …

Background: A large number of people participate in individual or unorganized sports on a recreational level. Furthermore,many participants drop out because of injury or lowered motivation. Potentially, physical activity–related apps could motivate people during sport participation and help them to follow …

The aim of this study was to identify expert perception on which features are important for the effectiveness of physical activity–related apps for participation in individual, recreational sports. This study was part of a research project 'For everyone an app?!'.

BACKGROUND: The need for organisational development in primary care has increased as it is accepted as a means of curbing rising costs and responding to demographic transitions. It is only within such inter-organisational networks that small-scale practices can offer treatment to complex patients and …

BACKGROUND: Although the importance of evaluating implementation fidelity is acknowledged, little is known about heterogeneity in fidelity over time. This study aims to generate insight into the heterogeneity in implementation fidelity trajectories of a health promotion program in multidisciplinary settings …

Computational thinking is taking an ever increasing role in education. According to the Netherlands institute for curriculum development there currently is little to no education on this topic in Dutch primary schools. Since teachers are the key to high quality education, it is important to know which …

BACKGROUND: A lack of physical activity is considered to cause 6% of deaths globally. Feedback from wearables such as activity trackers has the potential to encourage daily physical activity. To date, little research is available on the natural development of adherence to activity trackers or on potential …