Manfred comments on Newcomb's problem - one boxer's introspection. - Less Wrong

1 Post author: Dmytry 01 January 2012 03:16PM

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Comment author: Manfred 01 January 2012 11:01:22PM 2 points [-]

If the psychologist was predicting you based off of a simple algorithm that only took your test scores as inputs, or something like that, you would be totally right.

But it starts to look a lot like Newcomb's problem if the psychologist is predicting you using an algorithm similar to the one you use to make the decision - in that case you should one-box.

Comment author: Vladimir_Nesov 01 January 2012 11:43:04PM *  0 points [-]

But it starts to look a lot like Newcomb's problem if the psychologist is predicting you using an algorithm similar to the one you use to make the decision - in that case you should one-box.

Not necessarily, it's hard to say what you should actually do. Maybe the psychologist is gullible enough and you can succeed in getting both non-empty boxes.

Comment author: Manfred 02 January 2012 12:52:55AM 1 point [-]

So you put a probability on that and do an expected utility calculation.

Comment author: Vladimir_Nesov 02 January 2012 08:48:01PM 0 points [-]

(It's hard to say how to put a probability on that.)