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Summary The results of both field studies can be summarized as follows: the cognitive tasks encountered by nurses on the ward are many and varied. Even when a relatively narrow segment of the nurse's task-environment (abdominal pain following abdominal surgery) is studied, a large amount of complexity is encountered—a sample of 212 cases provided 165 cues and 17 identifiable responses to this task. And the data suggest that none of the cues analyzed has provided (by itself) the basis for action. In short, the cognitive characteristics of this nursing task were found to be complex with respect to: 1) the number of cues involved, 2) the number of responses to the task, and 3) the relation between cues and actions.
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Hammond et al. (1966) studied this question.
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