Human Factors Engineering

The probability that the total system will perform correctly when it is available is the probability that the hardware/ software will perform correctly, times the probability that the operating environment will not degrade the system operation, and times the probability that the user will perform correctly. By defining the total system this way, human performance…...

Human Factors Engineering INDEX (50 postings as of 8/2022) Air France flight 447 Crash – Technical Failures led to Human Errors Investigating events triggered by Human Error Personal Human Factors Failure experience Human Error Decision Matrix Unpublished ALARP and Railroading The notion of human error (Muschara) Ever heard someone say “That’s an accident waiting to…...

The skill-based performance involves highly practiced, primarily physical actions in very familiar situations in which there is little conscious monitoring. Such actions are usually executed from memory without significant conscious thought or attention. Behavior is governed by preprogrammed instructions developed by either training or experience and is less dependent upon external conditions. Information that can…...

Human nature encompasses all the physical, biological, social, mental, and emotional characteristics that define human tendencies, abilities, and limitations. One of the innate characteristics of human nature is imprecision. Unlike a precise machine—each time, every time—people are imprecise, especially in certain situations. For instance, humans tend to perform poorly under high stress and time pressure…....

Here are the five principles of Human and Organizational Performance (HOP) explained: People make mistakes Blame fixes nothing Context drives behavior Learning is vital Response matters… Membership Required You must be a member to access this content.View Membership LevelsAlready a member? Log in here...

I think most SAFTENG members will be able to pick up on several keywords and phrases and understand the significance of this type of case and the impact it will have “culturally” on the entire nursing profession.  These are not safety or risk professionals in this video, but you will find their concerns the same…...

I will reserve my comments so as not to influence your position.  But watch the video, and then in the comments, let me know which school of thought you subscribe to: (1) the cognitive psychological school, or (2) the joint cognitive school… Membership Required You must be a member to access this content.View Membership LevelsAlready...

Reducing human error involves far more than taking disciplinary action against an individual. A range of measures is more effective controls, including the design of the equipment, job, procedures, and training. Actions for overcoming Active Failures… Membership Required You must be a member to access this content.View Membership LevelsAlready a member? Log in here...

This video explains Dr. Reason’s Human Failure model that most industries, especially aviation and chemical processing, have been using my entire career.  It does a very nice job explaining the types of human failures and their differences.  Members can read my 2012 article “Causes of Human Failure” to get a more detailed explanation and to…...