%A V. Fedorov %A V. Khabarov %J Biometrika %T Duality of optimal designs for model discrimination and parameter estimation %X In the present paper ideas of Atkinson & Fedorov (1975) are generalized and clarified. The results illuminate the deep connection between estimation and model testing problems. %N 1 %K Discrimination between models; Estimation; Model fitting; Optimum design %P 183-190 %V 73 %D 1986 %R 10.1093/biomet/73.1.183 %L iiasa13653