University of Bristol2 年
An introduction to observational and experimental design
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 ...
University of Bristol3 年
An introduction to observational and experimental design
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 ...