“The Ups and Downs of the Hope Function In a Fruitless Search”, Ruma Falk, Abigail Lipson, Clifford Konold2012-07-01 (, , , ; backlinks)⁠:

On Bayesian updating of beliefs in sequentially searching a set of possibilities where failure is possible, such as waiting for a bus; the psychologically counterintuitive implication is that success on the next search increases even as the total probability of success decreases.