Correlation DESIGN vs. Experimental Design: Coffee and Cigarettes (7-5)

[@karlavalcourt1678]

This was very helpful. Thank you!

[@arisoda]

so we never proved smoking causes cancer, we only made the case more _likely_ to be true based on multiple correlational design studies?

[@stacabst]

Thank you, very helpful.

[@danplaysgames2666]

Quite impressive!

[@riajutt4763]

Outstanding