3 ms·

This unfortunately does not account for different groups having different starting luck. I suppose you can in part handle that by having very large groups but s

by mden 10y ago

This unfortunately does not account for different groups having different starting luck. I suppose you can in part handle that by having very large groups but since luck is luck simply the process of selection, even if random, is biased which gives you another problem.

pougetj 10y ago
Which is why units should be randomly selected into each groups to avoid confounding factors like the one you mention.
- wiml 10y ago
  Ah, but a person with preëxisting good luck might be preferentially randomly selected into the nose-touching group, amplifying the effect and making it hard to measure its size.
  - wruza 10y ago
    You throw out min/max results anyway before analyzis.
eternalban 10y ago
I agree. A single person -- and who better than siberianbear? -- can experiment with taking risks and carefully noting if he touched Chekov's nose or not that day.