Samenvatting
An attempt was made to redress a critical fault of decision making and problem solving research a lack of a Standard method to classify problem or decision states or conditions. A basic model was identified and expanded to indicate a possible taxonomy of conditions, which may be used in reviewing previous research or for systematically pursuing new research designs. A generalization of the basic conditions was then made to indicate that the conditions are essentially the same for both concepts, problem solving and decision making.