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To maximize learning opportunities in physical education, a range of conditions need to be met. One of the most crucial conditions is qualified physical education teachers. This prompts us to suggest that it is crucial that physical education teacher candidates engage in meaningful, relevant, and worthwhile …

Background: The social identity approach proposes that the more older adults identify with the social group of “older adults,” the more they will conform to what they perceive as being normative exercising for their group. However, so far, it remains unclear why older adults adhere to these norms. Objective: …

Studies monitoring vitamin D status in athletes are seldom conducted for a period of 12 months or longer, thereby lacking insight into seasonal fluctuations. The objective of the cur-rent study was to identify seasonal changes in total 25-hydroxyvitamin D (25(OH)D) concen-tration throughout the year. …

Het nieuws van de afgelopen jaren laat zien dat de huidige (inter)nationale onderzoeksomgeving gekenmerkt wordt door een toename van ongepaste data-manipulatie, -analyses en plagiaat. Het is belangrijk te weten dat bovengenoemde misstappen soms met de beste bedoelingen worden gemaakt. Juist onderzoekers …