Difference in Differences vs. Randomized Controlled Trials (RCTs)
Demystifying Two Common Research Methods In the realm of research, particularly in the social sciences, two methodologies often come into play: difference-in-differences (DID) and randomized controlled trials (RCTs). While both methods aim to establish causal relationships between variables, they differ in their design, implementation, and applicability. What is Difference-in-Differences (DID)? Difference-in-differences (DID) is a quasi-experimental research method that utilizes natural experiments to evaluate the impact of an intervention or policy change....