Rationality Quotes May 2014

elharo

Another month has passed and here is a new rationality quotes thread. The usual rules are:

Please post all quotes separately, so that they can be upvoted or downvoted separately. (If they are strongly related, reply to your own comments. If strongly ordered, then go ahead and post them together.)
Do not quote yourself.
Do not quote from Less Wrong itself, HPMoR, Eliezer Yudkowsky, or Robin Hanson. If you'd like to revive an old quote from one of those sources, please do so here.
No more than 5 quotes per person per monthly thread, please.
Provide sufficient information (URL, title, date, page number, etc.) to enable a reader to find the place where you read the quote, or its original source if available. Do not quote with only a name.

Another month has passed and here is a new rationality quotes thread. The usual rules are:

Please post all quotes separately, so that they can be upvoted or downvoted separately. (If they are strongly related, reply to your own comments. If strongly ordered, then go ahead and post them together.)
Do not quote yourself.
Do not quote from Less Wrong itself, HPMoR, Eliezer Yudkowsky, or Robin Hanson. If you'd like to revive an old quote from one of those sources, please do so here.
No more than 5 quotes per person per monthly thread, please.
Provide sufficient information (URL, title, date, page number, etc.) to enable a reader to find the place where you read the quote, or its original source if available. Do not quote with only a name.

PLAYBOY: So the experiment didn’t work?

[Craig] FERGUSON: No, the experiment always works. There’s no such thing as an experiment that doesn’t work. There are only results, but results may vary. Here’s what I learned:

An experiment is supposed to teach you the truth. If you run the experiment badly and, say, get a false positive, then the experiment failed.

12satt12y

— Robert Morris, quoted in Brian Snow's "We Need Assurance!"

13AndHisHorse12y

Experiments can fail if they are executed or planned improperly. If both the control and the experimental group are given sugar pills, for example, or the equipment fails in a shower of sparks, the experiment has provided no evidence by which one can update. It is a small quibble, and probably not what the quote meant to illustrate (I'm guessing that the experiment provided evidence which downgraded the probability of the hypothesis), but something to note nonetheless: experiments are not magic knowledge-providers.

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