Function allocation criteria 16.42 1 No difference in the relative capabilities of human machine 2: Human performance machine performance ③3 3: Machine performance >human 4: Machine performance is so poor that ⑤ ① the functions should be allocated to umans 5: Human performance is so poor that the functions should be allocated to machine 6: Unacceptable performance by both human and machine ④ Three function allocation criteria Balance of value Unsatisfactory Human Excellent Utilitarian cost-based allocation Allocation for affective or cognitive support Price. 1985Function Allocation Criteria 16.422 1: No difference in the relative capabilities of human & machine. 2: Human performance > machine performance. 3: Machine performance > hu m an. 4: Machine performance is so poor that the functions should be allocated to humans. 5: Hu m an performance is so poor that the functions should be allocated to machine. 6: Unacceptable performance by both human and machine. Three function allocation criteria: • Balance of value • Utilitarian & cost-based allocation • Allocation for affective or cognitive support. 1 2 3 4 5 6 Unsatisfactory Human Excellent Unsatisfactory Machine Excellent Price, 1985