[Doctor Stochastic]

Experimenatlly, the procedure Tit-for-Tat was a big winner in all Prisoner's Dilemma contests.

Prisoner's dilemma: a game where two prisoners have the choice of keeping quiet or informing. If both keep quiet, each is let go (score +5), if one informs and the other keeps quite, the informer is let go with a reward (score +10) and the other is punished (score -10), if both inform, each gets a mild punishment(score 0.)

Tit-for-Tat is a strategy for iterated prisoners dilemma with perhaps several players. Tit-for-Tat has two rules:

First: keep quied if this is the first time the game has been played with a particular partner.

Second: Do what the partner did last play.

[Doctor Stochastic]

Experimenatlly is the result of a failed spelling experiment.