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Cooperation and Defection in the SSC Prisoner’s Dilemma

Cooperation and Defection in the SSC Prisoner’s Dilemma

In this year’s Slate Star Codex annual survey Scott Alexander tabled a prisoner’s dilemma exercise with a difference: there was real money at stake. Two of the several thousand people who take the survey would be randomly selected to ‘play’ the game, using the answers they had submitted, with the outcome being that they would win between $100 and $1000. Scott, in fact, set three different, closely related prisoner’s dilemma type exercises, presumably to see whether results differed. They were:…

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Answer to Monday’s Puzzle

Answer to Monday’s Puzzle

On Monday I posted the following puzzle: “A prisoner is given a choice between two doors; one of which leads to freedom and the other of which leads to certain death. In front of the doors stand three guards, one of whom always tells the truth, one of whom always lies and the other of which answers randomly. The guards will only answer ‘yes’ or ‘no’ to questions. The prisoner does not know which guard is which. In only two…

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A Logic Puzzle

A Logic Puzzle

Most readers are probably familiar with the old chestnut of two doors and two guards, one of which always tells the truth and one of which always lies. But what about if we have three guards? This is a twist on the classic puzzle that I found pleasantly appealing. Without further ado: A prisoner is given a choice between two doors; one of which leads to freedom and the other of which leads to certain death. In front of the…

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