Computation in decision making -- Motivation for an approach to the sequential design of experiments -- Some problems concerning the consistency of mathematical models -- Sequential decisioning -- Lower bounds for the expected sample size of a sequential test -- On some aspects of models of complex behavioral systems -- An aggregation problem for markov chains -- Coding theorems for a discrete source with a fidelity criterion -- Group testing to classify efficiently all units in a binomial sample -- Some open problems in the foundations of subjetive probability -- Statistical decision theory in engineering -- On channels in which the distribution of error is known. Only to the receiver or only to the sender.