Bias and Confounding (50 mins)
Read the slides in "Section B - Bias and Confounding" (pages 15-30) to learn about confounding and the different types of bias.
Click http://ocw.jhsph.edu/courses/fundepiii/PDFs/Lecture18.pdf link to open resource.
Read the slides in "Section B - Bias and Confounding" (pages 15-30) to learn about confounding and the different types of bias.