Karl Popper - Falsificationism, Conjectures & Refutations, Inductive Skepticism 

Thank you for this lecture.

Thank you for this video. I truly enjoyed it

Thank you for the lecture.

Thank you very much for your lecture.

please address the relationship betweeh risk factor and cause

I think it's wrong to say popper was being "negative" about Marxism, or psychology. He was saying they were not scientific. He was open to the idea of non-scientific knowledge.