The Prognostic Value of Schedule Rating

Since the inception of schedule rating, more than a dozen years ago, there has been a respectable minority of casualty men who have believed that the particular plan in use at any given time was hopelessly inadequate as a measure of differences in physical hazard. A somewhat smaller number, impressed with the unquestionable importance of the human element in industrial safety, have felt that any attempt to differentiate between plants on the basis of physical hazard was, and must forever remain, futile and unsatisfactory.