1. What exactly is an evidenced-based practice? It usually means an approach that has established itself better than placebo or treatment as usual in two clinical trials. Such demonstrations are nothing to write home about; intervention of nearly any kind has demonstrated its superiority over placebo for 50 years! This research tells us nothing that we already do not know: Treatment works. So, ...

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Tyrone Duncan has made seminal contributions in the field of Filtering, Stochastic Control and the interface of probability theory and geometry. In his pioneering thesis, he presented a fundamental theory of nonlinear filtering and was instrumental in introducing the modern theory of martingales as developed by Doob, Meyer, Kunita-Watanabe and others in the study of nonlinear filtering. As he s...