“…The difficulty with such a technique is that the coefficient of agreement among judges on classifying a particular item into a particular category is likely to be low. This in fact was reported in a number of studies by Dressel [6], Scannel and Stellwagen [7] , Lessinger [8] , and Klinchmann [ l o ] . Bloom I l l ] acknowledged this difficulty in his statement that it is not always possible to know whether a student responded to a particular item using a high-level cognitive process (e.g., analysis) or by using the relatively low-level process of knowledge recall.…”