Searched: "outcome bias"
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A diving instructor jumps off the back of their liveaboard without their fins. A student enters the water with their pre-dive checks for their CCR being incomplete. A diver floods their camera and housing during their descent because an o-ring wasn't checked properly. A dive centre manager for...
The short story. A technical instructor didn’t analyse their gas prior to a 55m dive which meant that they ended up breathing gas at 1.8 pO2. They survived. The long story is what was written about in last week’s blog (read it here, as it isn’t as simple as this first sentence describes). As yo...
Following on from Gareth’s blog last week, I’d like to share a mistake I made. If you haven’t read last week’s blog, I suggest you go and read that first. I have two ways of telling this story; I can either tell you what I did (and the outcomes) or I can give you the details first. If I tell you...
We all make mistakes - we do the wrong thing, thinking it’s the right thing. We all slip at times - doing something that we didn’t intend to do. We all have lapses of memory - forgetting something in the heat of the moment. Everyone breaks rules of some sort during their lives, often because we s...
How you can do effective pre-dive checks on a busy dive boat If you’ve spent time on dive boats, then you will have seen pre-dive checks carried out. At one end of the spectrum, you may have seen a full, deliberate, methodical sequence between two well-trained dive buddies. At the other end, you...
This statement is the basic premise behind effective situation awareness. We perceive data, we make sense of it in the here and the now, and then we make an educated guess as to what the future might look like. It is an educated guess because we can never be 100% certain what the future will look...
“The root cause of an accident is our imagination” - Nippin Anand Many cave courses have accident analysis as a key element of instruction because it shows how and why certain procedures have developed over time and are executed in the manner they are. Therefore, you might think that the headlin...
I recently had a conversation with an instructor trainer about one of the most powerful ways to improve feedback and reduce authority gradient. This is achieved by talking about a mistake or error they’d personally made on that dive to show the students that they were fallible and thereby encoura...
I recently ran the 2-day Human Factors in Diving Level 2 programme in Veenendaal, the Netherlands. I had a last-minute cancellation and I thought it would be nice to offer this spot to a young scuba diving instructor and technical diver. This diver, let’s call him Jack, had signed up for a rebre...
I work in a number of different domains teaching people about risk management and critical decision skills when operating as part of a high-performance team. The domains include sports, military and scientific diving, and also the construction, power generation, healthcare and oil & gas sectors. ...
