Search Results for: hypothesis

  • Seven Secrets of Root Cause Analysis: A TapRooT® TV Video Premiere

    If you want your root cause analysis to be effective (the best), you will want to learn about the seven secrets of effective root cause analysis that we have discovered from 30+ years of research and development of the world’s best root cause analysis system – TapRooT®. Watch Alex Paradies and Benna Hughes as they […]

    Read More
  • When Do You Trust Science? [Science, Politics, & Root Cause Analysis]

    Politics and Science I’ve heard so many politicians talking about science, and I know that most (or at least many) of them have zero scientific background. On the other hand, I’ve had lots of engineering and science training.  I have a BS in Electrical Engineering and a Masters in Nuclear Engineering. Besides the normal math […]

    Read More
  • Scientific Method and Root Cause Analysis

    Is the Scientific Method the ONLY Root Cause Analysis Method? I had someone tell me that the ONLY way to do root cause analysis was to use the scientific method. They said: “After all, that is the way that all real science is performed.” Being an engineer (rather than a scientist), I had a problem with this […]

    Read More
  • The Experienced Accident Investigator Trap

    A Trap for Experienced Accident Investigators The Accident On February 24, 1989, United Airlines flight 811 experienced an explosive decompression while climbing out of Honolulu, Hawaii. Nine people were swept out of the resulting hole and died. The 747 made a successful, and quite miraculous, landing back in Hawaii. The Initial Investigation by the NTSB The […]

    Read More
  • 7 Secrets of Root Cause Analysis

    What are the 7 Secrets of Root Cause Analysis? This article is about practical root cause analysis tips that are secrets (if you judge secrets by how many people need to learn them). What are the 7 Secrets of root cause analysis? Read on to find out more. Who’s Keeping the Secrets? In over 25 […]

    Read More
  • Systems & Root Cause Analysis

    System – Root Cause Analysis – Performance Improvement What does the word “system” have to do with root cause analysis? And how does the combination of system and root cause analysis lead to performance improvement? Read on and find out! Definition of a System First, let’s define a system… Paul Fitts, a human factors expert, […]

    Read More
  • How To Plan a Major Accident Investigation

    Plan a Major Accident Investigation This post explains: What is a major accident? When do you start planning? How do you handle the overlap between the incident response and the accident investigation? What are the important standard factors in planning a major accident investigation? How do you develop restart criteria? How do you use a […]

    Read More
  • Monday Accident & Lessons Learned: Wildfire Root Cause Analysis – Was an Equipment Failure the Cause of the Camp Fire that Killed 85 People?

    The Ukiah Daily Journal published an interesting story titled: It was originally built in 1919. What failed on PG&E tower at heart of Camp Fire probe? Was it Aging equipment? Lack of maintenance? High winds? Failure to take precautions? Or a combination of the factors that led to an out of control wildfire that killed […]

    Read More
  • Confirmation Bias – Can You Think It Away?

    As Francis Bacon once said: “The human understanding when it has once adopted an opinion draws all things else to support and agree with it.” That concept has a scientific name – Confirmation Bias. Confirmation bias can have an impact on your root cause analysis results. If you use a system that has you develop […]

    Read More
  • 5 Cognitive Biases that Influence Incident Investigations

    Whether we admit it or not, we are constantly under the influence of cognitive biases that distort our thinking, influence our beliefs, and sway the judgments we make as investigators. Most of us are familiar with confirmation bias (looking for evidence to support a hypothesis, and rejecting any evidence that does not). However, did you […]

    Read More