Collecting data is a big part of doing research but it does not always come easy. For my own PhD project, for instance, we rely on a very time-consuming in-person data collection strategy: a Randomized Controlled Trial (RCT) with general practitioners (GPs) and older patients. While the process is a lot of fun, it also comes with some challenges and pitfalls. Curious to hear about both the good and the bad? Then this blogpost is for you! My PhD project is relatively practical