
randomized study
A randomized study is a research method where participants are assigned to different groups by chance, much like flipping a coin. This process helps ensure that each group is similar at the start, so any differences observed after the study are likely due to the treatment or intervention being tested, not other factors. Randomization reduces bias, making the results more reliable and fair. It’s commonly used in medical research to evaluate the safety and effectiveness of new treatments, ensuring that conclusions are based on unbiased comparisons.