On watching this video, students should be able to: Distinguish between an observational and experimental study. Explain the main reason why a randomised experiment can if done well, be used as a test ...

Using the potential outcomes framework of causality, topics covered include research designs such as randomized experiments and observational studies. We explore the impact of noncompliance in ...

Using the potential outcomes framework of causality, topics covered include research designs such as randomized experiments, observational studies, and so-called natural experiments. We explore the ...