This guide delineates the tasks and performance standards for radiologic technology occupations. It includes job seeking skills, work attitudes, energy conservation practices, and safety. The guide is centered around the three domains of learning: psychomotor, cognitive, and affective. For each duty, the following are provided: task, standard of performance, source of standard, conditions for performance, enabling objectives, resources, teaching activities, criterion-referenced measure, performance guide, and evaluation checklist. Topics covered include administrative and clerical functions, patient care, support services, testing/therapeutic procedures, radiation safety, and continuing education. Appendixes include (1) task lists and job titles; (2) definitions; (3) a tool and equipment list; and (4) a 295-item bibliography, a 48-item state-of-the art bibliography, and lists of 6 professional organizations, 15 scholarly journals, 41 textbooks, 9 videotapes, 13 slide presentations, and 9 sources of standards. (KC)