Larissa Govers, BSc When you want to study the effect of a therapeutic intervention, randomisation is the most reliable method to assess the real effect of the intervention. Randomisation is the process of assigning participants or experimental units to a certain treatment in a way that every unit has a known (equal) chance of being assigned to any of the groups. However, the results from these studies could still be biased due to systematic differences. Already from early on in our … [Lees meer...]