{'fraction_non_alphanumeric': 0.02564102564102564, 'fraction_numerical': 0.0, 'mean_word_length': 6.2153846153846155, 'pattern_counts': {'":': 0, '<': 0, '<?xml version=': 0, '>': 0, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
Introduction to Macroergonomics

The origin and development of macroergonomics as an identifiable sub-discipline of human factors/ergonomics is reviewed. The concept of macroergonomics, including the underlying empirically developed sociotechnical systems model, is summarized. The relation of macro-to micro-ergonomics, and the synergism that is possible when the two are harmonized and consistent with the organization's sociotechnical characteristics, is explained.