X-Nico

unusual facts about Random sample



Demographics of sexual orientation

His results, however, have been disputed, especially in 1954 by a team consisting of John Tukey, Frederick Mosteller and William G. Cochran, who stated much of Kinsey's work was based on convenience samples rather than random samples, and thus would have been vulnerable to bias.

Virginia Livingston

A case-control study using self-selected, matched but not randomized groups with late stage cancer compared survival and quality of life between cancer patients receiving conventional treatment and those undergoing the Livingston-Wheeler therapy.


see also