Wei_Dai comments on Common mistakes people make when thinking about decision theory - Less Wrong

40 Post author: cousin_it 27 March 2012 08:03PM

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Comment author: Wei_Dai 27 March 2012 11:59:37PM 12 points [-]

Here's a few more from my list:

Answering "The right solution to this decision problem is X" (and seemly being satisfied with that) when the answer that's generally wanted is of the form "Y is the right decision theory, and here's why Y gives the right answers to this and other tricky decision problems".

Taking speculative ideas too seriously and trying to apply them to real life before the necessary details have been worked out.

Doing decision theory research might be a mistake in itself, if your goal is a positive Singularity and not advancing decision theory per se or solving interesting puzzles. (I had a philosophical interest in decision theory before I came to OB/LW. Cousin_it sees it mainly as a source of cool math problems. So both of us are excused. :)

Comment author: [deleted] 28 March 2012 04:42:01AM 4 points [-]

Doing decision theory research might be a mistake in itself, if your goal is a positive Singularity and not advancing decision theory per se or solving interesting puzzles.

Isn't it sort of a moral imperative to familiarize oneself with the foundations of decision theory? It seems sort of important for understanding the foundations of epistemology, morality, ontology of agency, et cetera, which are things it'd be helpful to understand if you were trying to be morally justified. I guess this is to some extent what you meant by "philosophical interest"? -- Will Newsome on Luke's computer

Comment author: cousin_it 28 March 2012 12:31:29AM *  1 point [-]

The first one is a perfect fit, I've seen many people get stuck in exactly that way. Thanks!