the conditional probability of (back to its overall unconditional probability): See also Simpson's paradox Survivorship bias References (The paper is frequently miscited as Berkson, J. (1949) Biological Bulletin 2, 47–53.) Jordan Ellenberg, "Why are handsome men such jerks?" External links Numberphile: Does Hollywood ruin books? – An education video on Berkson's paradox in popular culture Probability theory paradoxes Statistical paradoxes Medical statistics