Inleiding Een plantaardig en volwaardig voedingspatroon kan een gunstige aanvulling zijn op de huidige medische behandeling van reumatoïde artritis en artrose wegens o.a. pijnreductie en het anti-inflammatoire effect. De RCT-studie Plants for Joints bestaat uit een leefstijlprogramma waarin het effect …

Background: A paradigm shift in health care from illness to wellbeing requires new assessment technologies and intervention strategies. Self-monitoring tools based on the Experience Sampling Method (ESM) might provide a solution. They enable patients to monitor both vulnerability and resilience in daily …

Background There has been an increasing interest in negative or ‘undermining’ motivations for reading. In this study, we aimed to strengthen knowledge on the validity of the distinction between affirming and undermining motivations. First, we examined whether the structure of a questionnaire based on …

Active participation in physical activity (PA) is beneficial for teenagers’ physical and mental development [1]. Moreover, it can also prevent childhood obesity and cardiovascular diseases [2]. However, extensive studies have shown that most adolescents (12-15 years) tend to drop out from regular PA …

Recent research has shown that example study only (EE) and example-problem pairs (EP) were more effective (i.e., higher test performance) and efficient (i.e., attained with less effort invested in learning and/or test tasks) than problem-example pairs (PE) and problem solving only (PP). We conducted …

This study investigated to what degree lesson-to-lesson variability in teachers' goal clarification and process feedback explains variability in secondary students’ motivational correlates. Students (N=570, 24 classes) completed questionnaires at six occasions. Multilevel regression analyses showed that …

Background: Optimal self-management in kidney transplant recipients is essential for patient and graft survival, reducing comorbidity and health care costs while improving the quality of life. However, there are few effective interventions aimed at providing self-management support after kidney transplantation. Objective: …

Results: We observed a variation of factors which seemed to contribute to the active ingredients. Most prevalent was (eliciting) ‘change talk’, but also factors such as ‘experiencing competency’ and ‘changing sense making’. Since mechanisms of change refer to psychological processes within the patient’s …