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Human Factors and Ergonomic Interventions – Making for a Better World

Human Factors and Ergonomic Interventions – Making for a Better World. James L. Merlo. Cognitive Systems Engineering. Cognitive Systems Engineering. Human Factors Psychology. Engineering Psychology. Applied Experimental Psychology. Human Factors Engineering. Human Engineering.

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Human Factors and Ergonomic Interventions – Making for a Better World

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  1. Human Factors and Ergonomic Interventions – Making for a Better World James L. Merlo Employee Education System

  2. Cognitive Systems Engineering Cognitive Systems Engineering Human Factors Psychology Engineering Psychology Applied Experimental Psychology Human Factors Engineering Human Engineering Ergonomics

  3. Human Factors Defined • Human Factors discovers and applies information about human behavior, abilities, limitations, and other characteristics to the design of tools, machines, systems, tasks, jobs, and environments for productive, safe, comfortable, and effective human use (Sanders and McCormick, 1993) • Human Factors IS NOT … • Just using checklists and guidelines • Just using oneself as the model for designing things • Just common sense

  4. Engineering Psychology Engineers Psychologists Study Design Machines Humans Human-Machine Systems Engineering Psychology: A Discipline at the Crossroads Psychologists study human behavior... Engineers design things... Engineering Psychologists design human-centered systems

  5. Cost of Ignoring Human Factors is Poor Quality! • Increased probability of accidents and errors • Less spare capacity to deal with emergencies • Increased labor turnover • Lower productive output • Increases in lost time • Higher medical costs • Higher material costs • Increased absenteeism • Low quality work • Injuries, strains

  6. Everyone knows the stovetop examples… Partnerships for Healing Environments 2008 Darnell, M. J. (2006). Bad Human Factors Designs. Baddesigns.Com

  7. Inconvenient… Partnerships for Healing Environments 2008 Darnell, M. J. (2006). Bad Human Factors Designs. Baddesigns.Com

  8. Partnerships for Healing Environments 2008 Darnell, M. J. (2006). Bad Human Factors Designs. Baddesigns.Com

  9. Sometimes bad design just plain hurts… Partnerships for Healing Environments 2008 Darnell, M. J. (2006). Bad Human Factors Designs. Baddesigns.Com

  10. Signs Partnerships for Healing Environments 2008 Darnell, M. J. (2006). Bad Human Factors Designs. Baddesigns.Com

  11. Signs Partnerships for Healing Environments 2008 Darnell, M. J. (2006). Bad Human Factors Designs. Baddesigns.Com

  12. Partnerships for Healing Environments 2008 Darnell, M. J. (2006). Bad Human Factors Designs. Baddesigns.Com

  13. What's in the bottle? Regular Insulin N (for NPH Insulin). Partnerships for Healing Environments 2008

  14. What about the science… • CAPITAL LETTERS • WORD • EASIER • FASTER • BUT BECOMES MORE DIFFICULT WHEN PART OF A SENTENCE BECAUSE… • We use context to read and the shape matters Partnerships for Healing Environments 2008

  15. Working Memory • Size 7 +/- 2 chunks • VAFBICIADODIRA • VA FBI CIA DOD IRA • Area codes • Credit card numbers are divided into chunks…. • Expert memories…or really good chunkers Partnerships for Healing Environments 2008

  16. Doubting me still…. ABCD EFG HIJK LMNOP QRS TUV WX YZ • Alphabet • 26 letters… • or 8 chunks? Partnerships for Healing Environments 2008

  17. Bad design doesn’t matter…Things are disposable Partnerships for Healing Environments 2008

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