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Behavioral Mathematics for Game AI by Dave Mark

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Descriptive Decision Theory

The other side of the decision theory coin is the realm of positive or descriptive decision theory. In this case, positive is not the antonym of negative, but rather spun off the word posit, that is, to lay down an assumption or theory. In fact, despite the affirmative nature of the word, positive decision theory deals in such a manner as to not make a judgment about what should be done.

The other choice of words, descriptive, is somewhat clearer in this respect. Descriptive decision theory simply describes a correlation, for example, between cause and effect or other such relationships. This is the realm of study ...

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