A Systemic-Structural Theory of Activity

Gregory Bedny, Sc.D., Ph.D. is a faculty member at Essex County College in New Jersey, USA. He is a Board Certified Professional Ergonomist (BCPE), and is a member of the International Academy of Human Problems in Aviation and Astronautics (Russia) and a member of the Editorial Board of several international journals. He has authored over 90 scientific publications, including four monographs and several university textbooks. His research focuses on Experimental and Industrial/Organizational Psychology as well as Ergonomics. He also developed Systematic-Structural Activity Theory which he has applied to the design of man-machine systems, human-computer interaction, safety, education and training, work motivation, and efficiency of performance. Waldemar Karwowski, Sc.D. Ph.D., C.P.E., P.E., is a Professor of Industrial Engineering and Director of the Center for Industrial Ergonomics at the University of Louisville, Kentucky, USA. He is a Board Certified Professional Ergonomist and has served as Secretary General and President of the International Ergonomists Association. Dr. Karwowski is the author or co-author of over 300 scientific publications, including over 100 peer-reviewed archival journal papers. His research focuses on human-system integration and safety aspects of advanced manufacturing enterprises, human-computer interaction, prevention of work-related muscular disorders, and theoretical aspects of ergonomics science.