Before revision:  {\lambda \left( t\right) }+\alpha \left( b\right) }}\% \] where p_{t}\left( a,A\right) is the probability that alternative a is selected from the set A of feasible alternatives if t is the time available to decide, \lambda is a time dependent noise parameter measuring the unit cost of information, u is a time independent utility function, and \alpha is an alternative-specific bias that determines the initial choice probabilities and possibly reflects prior information .
After revision:  {\lambda \left( t\right) }+\alpha \left( b\right) }}\% \] where p_{t}\left( a,A\right) is the probability that alternative a is selected from the set A of feasible alternatives if t is the time available to decide, \lambda is a time dependent noise parameter measuring the unit cost of information, u is a time independent utility function, and \alpha is an alternative-specific bias that determines the initial choice probabilities reflecting prior information and memory anchoring .