Given our daily bombardment with information, it is easy to become aware of potential threats to ourselves, but miss the resolution or the more complete explanations that follow afterward, which should put us at ease. Persistent doubts or inadvertent passing along of misinformation can lead us collectively to ignore what we know in fact (a little like the durable legend of tainted Halloween candy). Microwave ovens and cell phones (which also emit microwaves at a much lower wattage than the ovens) are thought by some to be potential causes of cancer or at least generally unhealthy additions to our modern lifestyle. This article will focus on the sources of these concerns and why (at least for now) we can leave these off of our worry list. Read the rest of this entry »

What is the difference, and does it matter?

Whether implementing a new technology or attempting to solve a problem we currently face in the world or even just making mundate decisions about our daily activities, we continually make judgements about the risks we face. With our liminted resources, time, and skill we choose to limit some of our exposure to risk and accept others. But, when making those decisions, we open ourselves to psychological biases about risk and often make a decision that puts us in a poorer position than we otherwise would have been. Read the rest of this entry »

Why considering a monetary value of life is not only acceptable, but morally necessary

Typically, the first time we consider someone placing a monetary value on protecting a life, the risk of death, or other similar circumstances, we cringe. The mere mention of life in the context of money seems cruel and far too calculating. Rightly, we have learned that an absolute monetary value cannot be placed on the worth of a person whether young or old, experienced or inexperienced, whatever race they are or religion they hold. This article is not going to challenge any of those ethics. Life is a priceless phenomenon and every person’s experience is something to be held at the pinnacle of our value system. Read the rest of this entry »

Why pilots (and humans in general) get a bad rap during accident investigations.

In my earlier article on root cause analysis, I mentioned that every cause present in a given situation can be considered equally responsible for the occurrence of the failure in question. Many times, however, investigations end up ascribing the fault of the entire situation to a particular “root cause” that may or may not have happened without the presence of other contributing causes. When we identify the “root cause” as human error and fail to take actions against the system that set up that error, we are perpetuating the problem. Read the rest of this entry »

What is Risk Assessment; how do we already use it; and how do we misuse it?

If our goal is to achieve progress, one of the ways we can determine that progress has been made is by a reduction in the quantity and severity of problems we face. Another way, would be to determine the quantity and magnitude of new capabilities we gain. However, new capabilities often bring new problems of their own, if we are not careful. The discipline of risk assessment and mitigation or control, if we take the time to apply it properly, can address the reduction of our current problems and the mitigation of potential future problems caused by our new capabilities. Read the rest of this entry »

In Search of The Best Answer, Not a Better Answer

Whenever there is a major man-made disaster or some kind of accident, responsible officials usually convene a team that conducts an investigation. The results of that investigation will usually identify a “root cause” and several “contributing causes”. If it was a plane crash, the team will probably present the root cause as either pilot error or some kind of maintenance error. But, if you really want to find out what caused the problem and how to fix it, look at the “contributing causes”. Those are the keys to not experiencing that event in the future. Read the rest of this entry »

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