"Drawing up an overall theoretical model incorporating different components of the physical environment, corresponding types of activity (behaviour and perception) and principal factors of a psychological character : table of practical analysis. - Adapted to the housing situation, this table incorporates, inter alia, the 4 components of the physical background and the B psychological requirements connected with the dwelling place, identified by the psychologist Ingrid GERL enabling 1/ identification of the physical background, activities, actors in volved, 2/ evaluation of stresses and inadaptability on the psychological level, 3/ proposals for improvements to be made in the physical background. - These analytical criteria.have been applied to I! the improvement of their own lodgings by architectural students, 2/ the evaluation of housing projects presented in terms of "patterns"."