aausch comments on The Amanda Knox Test: How an Hour on the Internet Beats a Year in the Courtroom - Less Wrong

42 Post author: komponisto 13 December 2009 04:16AM

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Comment author: aausch 13 December 2009 05:57:28AM 0 points [-]

It might have been more useful to ask for confidence intervals around probabilities. Maybe that should become the standard around here?

That way, I imagine people who did not care so much about the topic/do as much research, would have had a way to indicate the fact.

Comment author: wedrifid 13 December 2009 06:39:25AM *  4 points [-]

It might have been more useful to ask for confidence intervals around probabilities. Maybe that should become the standard around here?

No! In this context confidence intervals around the probability have no meaning!

I do agree that adding extra information about confidence is important for things like this. It's just that this isn't a case for which confidence intervals (approximately) work. It would make more sense if the probability was a property of the universe itself, then you could establish bounds on where the 'true probability' lies (as discussed with komponisto).

Comment author: saturn 13 December 2009 08:14:51AM *  1 point [-]

No! In this context confidence intervals around the probability have no meaning!

Why can't they be confidence intervals around the probability after doing [some amount] more research?

Comment author: Vladimir_Nesov 13 December 2009 09:44:30AM 1 point [-]

Relevant post: Readiness Heuristics

Comment author: wedrifid 13 December 2009 08:20:12AM 1 point [-]

Why can't they be confidence intervals around the probability after doing [some amount] more research?

That you can do.

Comment author: Jawaka 13 December 2009 11:30:39AM 0 points [-]

I feel the same way. I set the probabilities to 25 (not G alone) / 75 (G alone) after half an hour of reading, just because I wanted to have room to be more confident after 2 hours of reading.