News for hackers. Stuff that matters.

A comment on On Bloom's two sigma problem (2020).

Re:On Bloom's two sigma problem (2020) by credit_guy on Wednesday February 23, 2022 @07:48AM (#30440403)
One-on-one tutoring provides much, much better outcomes than one-to-thirty teaching. If you really need statistical evidence for that, then maybe you need statistical evidence for the fact that jumping from a helicopter in flight leads to death [1].

[1] https://www.bmj.com/content/363/bmj.k5094

[ Parent | on HN ]
Re:On Bloom's two sigma problem (2020) by tgv on Wednesday February 23, 2022 @09:38AM (#30441425)
That BMJ study seems a bit too much. As one of the footnotes says it:

> All authors suffered substantial abdominal discomfort from laughter.

[ Parent | on HN ]
Re:On Bloom's two sigma problem (2020) by adolph on Wednesday February 23, 2022 @09:19AM (#30441175)
If you really need statistical evidence for that

> wisdom, < certainty

[ Parent | on HN ]