PictureStephenDewittStephen Dewitt is a Research Associate in the Experimental Psychology Department at UCL. He is part of the translation team for the Bayesian ARgumentation via Delphi (BARD) project team and is currently examining the role of prior judgements and prejudice on the incorporation of ambiguous evidence into belief structures. He is also investigating the impact of the surprisal value of evidence on belief updating and the degree to which the incorporation of surprising evidence is undertaken according to normative standards.