inefficient and, in many cases, unfeasible during the nursing shortage of World War II. In order to have assistance in patient care for the nurses, many hospitals were forced to hire unskilled personnel and institute on the job training and the method became unreliable. In response to the problems that the case method faced, the functional method was developed (Kozier, Erb, Olivieri, 1991).
             The primary focus of functional nursing involves concentration on the job to be completed. The care requirements that are less complex are performed by personnel with less training than the professional nurse and therefore, the professional nurse is able to concentrate on tasks that require increased skills and knowledge (Kozier, Erb, Olivieri, 1991). The model does not pose the questions of inefficiency that the case method did, because even though the personnel assisting the professional nurse have less training, it is still qualified training that is instituted in a setting other than on the job. Also, the roles of those assisting the professional nurse are m
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