Judgement seems to be influenced by a variety of things each have their own implication on judgement. Overconfidence serves as a bias on judgement. Fischhoff, Slovic, and Lichtenstein, in 1997, tested this idea. The participants were given the question "Absinthe is a: A) liquer or B) a precious stone." The subjects were to choose the correct answer, and state the probability of being correct. It was found that when the subjects were 100 percent confident in their answers, they were only correct 80 percent of the time. This provides evidence that there is in fact, a dissociation between knowledge and awareness. Another bias that influences judgement is the hindsight bias. This is