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Two hundred sixty-two radiologists in 5 states were asked their feelings about delegating 26 radiologic tasks to nonphysician personnel, and if such personnel were now performing such tasks. Delegation of tasks classified as injection of contrast materials received 25% approval; fluoroscopy 40%; and interpretive 25%. For all tasks, delegation was disapproved by 60%; approved by 30%; and 10% were undecided. A significant majority of tasks were not now performed by nonphysician personnel. Practice setting, time allocation, city size, hospital size, and age revealed significant associations with degrees of approval to various tasks.
Parker et al. (1972) studied this question.