SH156: CCR pre-dive checks and checklists are not always enough to prevent an equipment-based accident!

Counter-Errorism in Diving: Applying Human Factors to Diving

Counter-Errorism in Diving: Applying Human Factors to Diving

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In this episode, we explore how safety in diving is not just about avoiding accidents but about building systems that can fail safely. Drawing on a real-life incident shared by Phil Short, we examine how a small technical issue—debris in a rebreather valve—could have escalated into a life-threatening situation during a cave dive. We highlight the critical role of technical preparation, situational awareness, and non-technical skills like teamwork, leadership, and communication in managing and recovering from unexpected challenges. By sharing these stories, we aim to help divers understand how to plan for failures and enhance safety through learning, reflection, and a chronic unease about what could go wrong.

Original blog: https://www.thehumandiver.com/blog/failing-safely-400m-back-in-a-cave

Links: How Safe is Your Diving blog: https://www.thehumandiver.com/blog/how-safe-is-your-diving

Tags: English, CCR, Decision Making, Gareth Lock, Leadership, Non-Technical Skills, Teamwork

167 episod

#Sports #Society #Podcasting Education #Gareth Lock at The Human Diver

Counter-Errorism in Diving: Applying Human Factors to Diving

SH156: CCR pre-dive checks and checklists are not always enough to prevent an equipment-based accident!

Counter-Errorism in Diving: Applying Human Factors to Diving

published about a year ago

Kongsi

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Original blog: https://www.thehumandiver.com/blog/failing-safely-400m-back-in-a-cave

Links: How Safe is Your Diving blog: https://www.thehumandiver.com/blog/how-safe-is-your-diving

Tags: English, CCR, Decision Making, Gareth Lock, Leadership, Non-Technical Skills, Teamwork

167 episod

#Sports #Society #Podcasting Education #Gareth Lock at The Human Diver

All episodes

Counter-Errorism in Diving: Applying Human Factors to Diving

1
SH167: Only 20% of surgeons would like to use a checklist in their operations… 7:56

3 days ago7:56

7:56

In this episode, Gareth Lock explores the critical role of checklists in enhancing safety and reducing errors in high-risk environments like diving, surgery, and aviation. Drawing insights from Atul Gawande's The Checklist Manifesto , Gareth highlights how properly designed checklists can prevent lapses, improve communication, and establish a culture of accountability. Despite resistance from those who view checklists as unnecessary or a sign of weakness, evidence shows their ability to save lives by addressing "unknown unknowns" and mitigating human error. Gareth shares personal experiences and emphasizes the importance of embracing checklists to ensure safety, reliability, and performance in diving and beyond. Original blog: https://www.thehumandiver.com/blog/surgeons-and-checklists Links: Downloads and Transcripts of Atul Gawande’s lectures: http://www.bbc.co.uk/programmes/b00729d9/episodes/player The problem with not using checklists: http://aerossurance.com/helicopters/habits-kill/ The Checklist manifesto: https://cognitasresearch.wordpress.com/2015/01/17/only-20-of-surgeons-would-like-to-use-a-checklist-in-their-operations/0px%20!important;%22%20/%3E NHS checklist: http://www.nrls.npsa.nhs.uk/resources/?entryid45=59860 DAN study: http://www.alertdiver.com/checklists Checklist design: http://ti.arc.nasa.gov/profile/adegani/procedure-design/ Chain of events of things going wrong (1): http://silentdiversion.blogspot.co.uk/2015/01/human-error-dont-blame-rebreather.html?spref=fb&m=1 (2): https://www.navytimes.com/news/your-navy/2018/06/05/navy-officer-35-dies-in-off-duty-diving-mishap/ Tags: English, Checklists, Gareth Lock, Human Factors…

Counter-Errorism in Diving: Applying Human Factors to Diving

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SH166: You can’t run before you can walk... 4:56

7 days ago4:56

4:56

In this episode, Bart Den Ouden reflects on the importance of mastering the basics before taking on advanced challenges, using ice diving as a vivid example. During a rare opportunity for ice diving in the Netherlands, Bart observed several instructors rushing into instructor-level ice diving certifications without adequate experience. Drawing parallels with the Dunning-Kruger effect and highlighting the risks of "unknown unknowns," he emphasizes the dangers of overconfidence and taking shortcuts in training. Bart challenges dive professionals to lead by example, prioritize safety, and ensure they truly earn their certifications, reminding us all to slow down and build skills step by step. Original blog: https://www.thehumandiver.com/blog/run-before-walk Links: Micheal Thomas’ blog for TDI: https://www.tdisdi.com/tdi-diver-news/slow-down-young-fella-attitudes-in-technical-diving/ Dunning Kruger effect: https://vimeo.com/223029249 Tags: English, Bart Den Ouden, Decision Making, Instruction, Leadership…

Counter-Errorism in Diving: Applying Human Factors to Diving

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SH165: “You can lead a horse to water, but you can’t make it drink.” Or can you..? 7:45

10 days ago7:45

7:45

In this episode, we explore the critical role of leadership and decision-making in diving safety, using a real-life story about a young instructor, “Jack,” who made a risky dive on a rebreather he wasn’t certified to use. Despite his confidence, Jack’s actions reflect dangerous cognitive biases like overconfidence, outcome bias, and normalization of deviance, shaped by a culture of cutting corners in his early training. Through this cautionary tale, we highlight the importance of setting the right example as dive leaders, understanding the consequences of our actions, and promoting a safety-first mindset. Tune in to learn why responsible leadership and listening to feedback are vital for creating a safer diving community. Original blog: https://www.thehumandiver.com/blog/lead-a-horse-to-water Tags: English, Bart Den Ouden, Decision Making, Situation Awareness…

Counter-Errorism in Diving: Applying Human Factors to Diving

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SH164: Plan to fail safely – Part 2: Passing the test doesn’t say it all 10:33

14 days ago10:33

10:33

In this episode, we explore how listening to your inner voice can be a lifesaver, both in diving and everyday life. Bart Den Ouden shares his personal journey of uncovering severe heart issues despite passing regular diving medicals, emphasizing the importance of recognizing warning signs and overcoming cognitive biases like denial and confirmation bias. We also discuss a diver’s near-fatal experience with immersion pulmonary edema (IPO) and how quick action and a well-equipped facility saved their life. These stories highlight the critical role of self-awareness, preventative measures, and teamwork in planning to fail safely—whether under water or on land. Listen in to learn why trusting that “little voice” could be the key to staying alive. Original blog: https://www.thehumandiver.com/blog/plan-to-fail-safely-part-2-passing-the-test-doesn-t-say-it-all Links: Angioplasty and Stent: https://www.nhs.uk/conditions/coronary-angioplasty/what-happens/ HSE Medical requirements: https://www.hse.gov.uk/diving/medical-requirements.htm IPO (IPE): http://www.ukdmc.org/medical-conditions/immersion-pulmonary-oedema/ BMJ article: https://heart.bmj.com/content/80/6/537 DAN article: https://www.diversalertnetwork.org/health/heart/cardiac-health Tags: English, Bart Den Ouden, Cognitive Biases, Decision Making, Medical…

Counter-Errorism in Diving: Applying Human Factors to Diving

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SH163: Who owns the risk in diving when something goes wrong? 11:47

17 days ago11:47

11:47

In this episode, we delve into risk management and decision-making in diving, exploring the difference between personal and professional responsibilities. Using a case of a divemaster tasked with guiding divers on a challenging wreck dive, we examine the complexities of managing hazards, understanding acceptable risks, and the impact of assumptions and biases. The conversation highlights the importance of preparation, critical thinking, and a proactive approach to safety, while acknowledging the challenges of balancing rules with real-world scenarios. Ultimately, we discuss how diving professionals can navigate these grey areas, fostering safer practices while maintaining the adventurous spirit of diving. Original blog: https://www.thehumandiver.com/blog/who-owns-the-risk-in-diving Links: HSE Terms: https://www.hse.gov.uk/managing/theory/alarpglance.htm Normalisation of Deviance video: https://vimeo.com/174875861 Work as Imagined vs Work as Done: https://humanisticsystems.com/2016/12/05/the-varieties-of-human-work/ Tags: English, Decision Making, Gareth Lock, Risk, Risk Management…

Counter-Errorism in Diving: Applying Human Factors to Diving

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SH162: Plan to fail safely - teaching students/candidates for the real world 5:43

21 days ago5:43

5:43

In this episode, we explore the importance of preparing for failure in diving education, inspired by Hal Watts' quote: “The most dangerous thing about diving is divers themselves.” Using a real-life example from a scuba Instructor Examination, we highlight how training focused solely on passing exams can lead to complacency and poor decision-making in real-life scenarios. Diving instructors and trainers must teach students to plan for and respond to unexpected challenges safely. This involves reflecting on training methods, addressing blind spots, and fostering a mindset where failure becomes a learning opportunity, not a life-threatening event. Part 2 will delve deeper into personal strategies for planning to fail safely. Original blog: https://www.thehumandiver.com/blog/plan-to-fail-safely Tags: English, Dart Den Ouden, Instruction, Leadership…

Counter-Errorism in Diving: Applying Human Factors to Diving

1
SH161: ‘One mistake and you are dead’ – isn’t how accidents normally happen 7:56

24 days ago7:56

7:56

In this episode, we explore the dangers of "normalisation of deviance"—the gradual erosion of safety standards through repeated shortcuts—and its impact on rebreather diving and other high-risk activities. Drawing on lessons from aviation and diving, we discuss how human factors, cognitive biases, and systemic drift contribute to accidents, emphasizing that outcomes should not be the sole focus when analyzing incidents. Using models like the Swiss Cheese Model and concepts of systems thinking, we unpack how multiple, seemingly minor factors can align to create critical incidents. Learn how applying tools like checklists, audits, and effective debriefs can help mitigate these risks and maintain safety margins in diving and beyond. Original blog: https://www.thehumandiver.com/blog/one-mistake Links: “If Only” documentary: https://www.thehumandiver.com/ifonly John Bantin’s Undercurrent article: https://www.undercurrent.org/blog/2020/06/01/the-tragic-and-un-necessary-death-of-brian-bugge/ Debrief model: https://www.thehumandiver.com/debrief Normalisation of Deviance: https://vimeo.com/174875861 Simple Swiss cheese model: https://vimeo.com/326723142 Big Hole animation: https://vimeo.com/326723122 Little Hole animation: https://vimeo.com/326723109 HSE report: https://www.hse.gov.uk/research/rrpdf/rr871.pdf Tags: English. CCR, Complacency, Decision Making, Gareth Lock, Human Factors, Rebreather…

Counter-Errorism in Diving: Applying Human Factors to Diving

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SH160: Outcomes are so sexy and attractive… 5:14

28 days ago5:14

5:14

This episode dives into the critical role of human factors in safety, using a tragic aviation incident and its parallels in diving to illustrate how distractions, pressures, and systemic issues contribute to accidents. We explore how a Royal Air Force training film, "Distractions," highlighted the cumulative factors behind a hypothetical crash, emphasizing the need for shared responsibility in preventing errors. Similarly, the story of Brian Bugge's 2018 diving accident reveals the dangers of focusing solely on individual mistakes while overlooking the broader contributing factors. Accidents rarely result from a single error but emerge from a combination of conditions. By understanding these dynamics, we can better mitigate risks and improve safety in both aviation and diving. Original blog: https://www.thehumandiver.com/blog/outcomes-are-so-sexy Links: “If Only” Documentary: https://www.thehumandiver.com/ifonly Tags: English, CCR, Checklists, Decision Making, Gareth Lock, If Only, Investigations, Rebreather…

Counter-Errorism in Diving: Applying Human Factors to Diving

1
SH159: The best is the enemy of the good 3:28

4 weeks ago3:28

3:28

In this episode, a newly qualified Human Factors in Diving Instructor shares their journey of grappling with impostor syndrome and the challenges of teaching human factors to divers. Despite over a decade of diving instruction experience, they recount feeling inadequate compared to peers and doubting their knowledge, especially when students might view human factors as "common sense." Reflecting on the Dunning-Kruger effect, they explore how experts often underestimate their abilities because they understand the vastness of their field. Through conversations with peers and self-reflection, they learn to embrace the value they bring to the classroom and the importance of fostering curiosity in their students. Original blog: https://www.thehumandiver.com/blog/the-best-is-the-enemy-of-the-good Tags: English, Communications, Jenny Lord, Leadership, Teamwork…

Counter-Errorism in Diving: Applying Human Factors to Diving

1
SH158: Predictive Profiling & diving: “what deviates, deserves attention!” 8:38

5 weeks ago8:38

8:38

This episode dives into the critical importance of recognizing deviations from the norm in diving, a concept rooted in situational awareness. Inspired by the 1972 attack at Lod Airport, Bart den Ouden draws parallels between how assumptions can blind us and the role of training and experience in diving. By understanding what “normal” looks like, divers can detect and respond to unexpected changes. We explore mental models, decision-making under pressure, and the value of learning skills the right way to build a strong foundation. Tune in to learn why paying attention to the small details can make all the difference underwater! Original blog: https://www.thehumandiver.com/blog/predicitive-profiling Links: Situational Awareness and Decision Making in Diving: https://gue.com/blog/situational-awareness-and-decision-making-in-diving/?fbclid=IwAR1Pq5eqIxWxcc0s1S2CoYefJgkWeXy_pUi8AsjQ8BoKSx-xKKXrLTPqleQ Tags: English, Bart Den Ouden, Decision Making…

Counter-Errorism in Diving: Applying Human Factors to Diving

1
SH157: The Good, the Bad and the Ugly! 8:12

5 weeks ago8:12

8:12

In this episode, we explore the pitfalls of blindly trusting technology through two cautionary tales—one about a GPS mishap in snowy Quebec and another about divers relying solely on their computers. Automation offers precision and convenience, but over-reliance can dull our awareness and problem-solving skills. We discuss how this applies to diving, where dive computers are invaluable but prone to errors if misconfigured or when they fail. Listeners will learn why it’s essential to combine technology with old-school skills, planning, and situational awareness to ensure safety. Embrace technology, but always have a backup plan! Original blog: https://www.thehumandiver.com/blog/the-good-the-bad-the-ugly Tags: English, Decision Making, Helene Pellerin, Situational Awareness…

Counter-Errorism in Diving: Applying Human Factors to Diving

1
SH156: CCR pre-dive checks and checklists are not always enough to prevent an equipment-based accident! 10:49

6 weeks ago10:49

10:49

Counter-Errorism in Diving: Applying Human Factors to Diving

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SH155: How safe is your diving? 11:12

6 weeks ago11:12

11:12

In this episode, we dive into the concept of psychological safety and its critical role in diving and team performance. Psychological safety, defined as a shared belief that it's safe to take interpersonal risks, enables people to ask questions, make mistakes, contribute ideas, and challenge the status quo without fear of judgment or reprisal. Drawing on insights from experts like Amy Edmondson and Dr. Timothy Clark, we explore its four stages: inclusion, learner safety, contributor safety, and challenger safety, with a focus on how each stage impacts divers, instructors, and teams. From life-or-death scenarios to fostering innovation, creating a culture of psychological safety can improve decision-making, teamwork, and training outcomes. Tune in to learn how to build this essential skill in your diving and beyond. Original blog: https://www.thehumandiver.com/blog/how-safe-is-your-diving Links: If Only video: https://vimeo.com/382399090 Debrief guide: https://www.thehumandiver.com/debrief Psychological Safety and Learning Behaviour in Work Teams: http://web.mit.edu/curhan/www/docs/Articles/15341_Readings/Group_Performance/Edmondson%20Psychological%20safety.pdf High Performing Teams need Psychological Safety: https://liberationist.org/high-performing-teams-need-psychological-safety/ What Psychological Safety is not: https://qz.com/work/1470164/what-is-psychological-safety/ Tags: English, Communication, Decision Making, Gareth Lock, Just Culture, Leadership, Teamwork…

Counter-Errorism in Diving: Applying Human Factors to Diving

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SH154: The Importance of Decision Making in Setting Goals: Ensuring “The Juice is worth the Squeeze” 9:17

7 weeks ago9:17

9:17

In this episode, we explore the double-edged nature of goal setting—how it drives achievement but can also lead to risky decisions when pressure and commitment override safety and judgment. Using examples from mountaineering and advanced diving, including a personal story about a challenging CCR trimix course, we delve into the concept of "destructive goal setting." The discussion highlights how external pressures and an unwillingness to abandon goals can cloud decision-making, and emphasizes the importance of open communication, team empowerment, and stepping back to reassess whether "the juice is worth the squeeze." Original blog: https://www.thehumandiver.com/blog/is-the-juice-worth-the-squeeze Tags: English, Cognitive Biases, Decision Making, Guy Shockey…

Counter-Errorism in Diving: Applying Human Factors to Diving

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SH153: Why ‘They should have’, ‘...could have’ or ‘I would have..’ do not improve diving safety 5:54

7 weeks ago5:54

5:54

In this episode, we explore the concept of counterfactual reasoning—our tendency to imagine how incidents could have been avoided by different actions—and why it falls short in improving safety. While this type of hindsight helps us feel better by creating a sense of order, it doesn’t address the real-world conditions or decisions that led to the incident. Instead of asking, "Why didn’t they do Y instead of X?" we should ask, "How did doing X make sense to them at the time?" By focusing on what actually happened and understanding the context, we can uncover valuable insights to improve safety and decision-making in diving. Original blog: https://www.thehumandiver.com/blog/counter-factuals Tags: English, Cognitive Biases, Decision Making, Gareth Lock, Incident Analysis…

Counter-Errorism in Diving: Applying Human Factors to Diving

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SH152: The Bend is Uninteresting...The Related Decisions Are Much More So 15:36

8 weeks ago15:36

15:36

In this episode, we explore a personal account of a Gareth’s experience with decompression sickness (DCS) and the critical decision-making process that followed. The story dives into the internal monologue, biases, and stigmas surrounding DCS, highlighting how emotions and uncertainties influence risk-based decisions. We also examine industry practices, the importance of creating a psychologically safe culture for discussing incidents, and the need for better preparedness when things go wrong. This episode challenges listeners to reflect on their own decision-making and encourages a shift toward curiosity and learning in the diving community. Original blog: https://www.thehumandiver.com/blog/the-bend-is-uninteresting-the-related-decisions-are-much-more-so Links: PACE model: https://gcaptain.com/graded-assertiveness-captain-i-have-a-concern/ Prospect Theory: https://www.jstor.org/stable/1914185 Blog about Normalisation of Deviance: https://www.thehumandiver.com/blog/being-a-deviant-is-normal Distancing through Differencing: https://www.researchgate.net/profile/David_Woods11/publication/292504703_Distancing_through_differencing_An_obstacle_to_organizational_learning_following_accidents/links/5742fb1808ae9ace8418b7ea/Distancing-through-differencing-An-obstacle-to-organizational-learning-following-accidents.pdf Tags: English, Decision Making, Gareth Lock…

Counter-Errorism in Diving: Applying Human Factors to Diving

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SH151: When the holes line up... 8:45

8 weeks ago8:45

8:45

In this episode, we explore Professor James Reason's Swiss Cheese Model, which helps explain how incidents occur when multiple safety barriers fail at different levels within a system. We discuss how organizational, supervisory, and individual errors can combine to create accidents, and how the holes in these barriers move and shift over time. Using dynamic models, we highlight that safety is an emergent property of a system, where small errors accumulate and can lead to larger, more significant failures. We also examine the role of human error, risk management, and attention to detail in preventing accidents and emphasize the complexity of real-world systems, where multiple factors often lead to a critical mass of failure before an incident happens. Original blog: https://www.thehumandiver.com/blog/when-the-holes-line-up Links: Animated simple Swiss Cheese model: https://vimeo.com/326723142 Big Hole model: https://vimeo.com/326723122 Little Hole model: https://vimeo.com/326723109 Tags: English, Gareth Lock, Human Factors, Incident Investigation…

Counter-Errorism in Diving: Applying Human Factors to Diving

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SH150: Are you a good enough diver? 12:32

9 weeks ago12:32

12:32

In this episode, we dive into the concept of "good enough" in diving and how it relates to decision-making, risk, and safety. We explore why terms like "safe" and "good" are subjective and often influenced by context, experience, and social pressures, rather than absolutes. Using real-life examples, we discuss how divers weigh trade-offs between efficiency and thoroughness, balancing time, money, and risk to make decisions in uncertain situations. By understanding the biases and constraints that shape our choices, we can better assess what "good enough" means in different scenarios and improve through shared stories and context-rich learning. Original blog: Spiderman drawing video: https://youtu.be/x9wn633vl_c Blog from Steve Shorrock: https://humanisticsystems.com/2016/12/05/the-varieties-of-human-work/ Efficiency-Thouroughness Trade Off: http://erikhollnagel.com/ideas/etto-principle/index.html Latent Pathogens from James Reason: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1117770/ Outcome bias: https://en.wikipedia.org/wiki/Outcome_bias Tags: English, Gareth Lock…

Counter-Errorism in Diving: Applying Human Factors to Diving

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SH149: 'Choices': Guaranteed small loss or a probable larger loss, injury or fatality? 9:55

9 weeks ago9:55

9:55

In this episode, we explore how decision-making under uncertainty plays a crucial role in scuba diving, drawing insights from Prospect Theory and real-life scenarios. We discuss how psychological factors, like loss aversion, influence divers to take risks they might otherwise avoid—whether it's diving with faulty gear after weeks of being unable to dive or dealing with pressures during high-profile expeditions. Highlighting examples from both individual dives and operational standards in dive centers, we examine the balance between minimizing loss and managing uncertainty. Finally, we emphasize the importance of teamwork, robust communication, and standardization to mitigate risks, ensuring safer and more informed diving decisions. Original blog: DOSPERT Study: https://papers.ssrn.com/sol3/papers.cfm?abstract_id=1301089 Near death experience in Truk lagoon: https://www.scubaboard.com/community/threads/complacency-kills-its-not-just-an-empty-threat.567481/ Tags: English, Decision Making, Gareth Lock, Human Factors, Risk…

Counter-Errorism in Diving: Applying Human Factors to Diving

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SH148: Risk of diving fatality is 1:200 000. However, you cannot be a fraction of dead…! 15:59

10 weeks ago15:59

15:59

In this episode, we explore how risk is perceived and managed in diving, where emotions, biases, and mental shortcuts often outweigh logic and statistics. Diving fatalities are statistically rare, but those numbers don’t resonate emotionally—our decisions are more influenced by stories and personal experiences. Through real-life examples, we unpack biases like availability bias, outcome bias, and the “turkey illusion,” showing how these distort our understanding of risks. The discussion also highlights strategies for improving risk management, such as using checklists, planning and debriefing effectively, and sharing experiences to enhance collective learning. Join us to rethink how we approach uncertainty and decision-making in diving and beyond. Original blog: https://www.thehumandiver.com/blog/riskoffatality Links: Fatalities COnference Procceedings: https://www.diversalertnetwork.org/files/Fatalities_Proceedings.pdf Numbers don;t have the same emotional relevance as stories: https://hbr.org/2003/06/storytelling-that-moves-people Risk of dying from a shark attack: https://www.floridamuseum.ufl.edu/shark-attacks/odds/compare-risk/death/ Behavioural economics: https://www.behavioraleconomics.com/resources/introduction-behavioral-economics/ Prospect theory: https://www.behavioraleconomics.com/resources/mini-encyclopedia-of-be/prospect-theory/ Video about normalisation of deviance: https://vimeo.com/174875861 4 T’s of risk management: https://www.facebook.com/groups/1612046102342961/permalink/2160646497482916/ How it makes sense for “stupid” decisions: https://www.facebook.com/gareth.lock.5/videos/10155465887236831/ Tags: English, Gareth Lock…

Counter-Errorism in Diving: Applying Human Factors to Diving

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SH147: Dive safety leads to nothingness...and nothingness is unemotive! 8:52

10 weeks ago8:52

8:52

How do you measure safety in diving? This episode dives into a real story of a dive team that adapted to an emerging safety risk when two divers, certified but inexperienced in drysuits and challenging conditions, showed signs of stress. Through situational awareness, communication, and teamwork, the team adjusted their plan, choosing a safer dive site where the less experienced divers could build confidence. The story highlights how safety isn’t about luck or strict rule-following but proactive decision-making and collaboration. We explore how divers can develop the skills to create safety and why “nothing happening” often means someone made it happen. Original blog: https://www.thehumandiver.com/blog/safety-is-nothingness Tags: English, Decision Making, Gareth Lock, Human Factors, Leadership, Safety, Teamwork…

Counter-Errorism in Diving: Applying Human Factors to Diving

1
SH146: Why ‘everyone is responsible for their own risk-based decisions’ isn’t the right approach to take to improve diving safety. 7:53

11 weeks ago7:53

7:53

In this episode, we explore the decision-making challenges in diving, sharing a personal story of risky dives and lessons learned. A diver reflects on their early diving experiences, from breaking training depth limits to encountering equipment failures at 30m, and how a lack of knowledge and overconfidence contributed to risky choices. We discuss the importance of understanding context when evaluating incidents, avoiding hindsight bias, and learning from mistakes to improve safety. Diving involves inherent risks, but by fostering curiosity, sharing lessons, and acknowledging uncertainties, we can create a safer and more informed diving community. Original blog: https://www.thehumandiver.com/blog/responsible-but-not-informed Tags: English, Decision Making, Gareth Lock, Human Factors, Risk Management…

Counter-Errorism in Diving: Applying Human Factors to Diving

1
SH145: Cognitive Dissonance - Why you are right and I am wrong...Or are you? 7:16

11 weeks ago7:16

7:16

In this episode, we dive into cognitive dissonance—the psychological discomfort of confronting facts that challenge our beliefs—and how it impacts decision-making and safety in diving. Drawing on insights from Black Box Thinking by Matthew Syed and examples from aviation, justice, and diving, we explore why even highly educated individuals can resist change to protect their reputation. From misconceptions about Nitrox and gas planning to biases in equipment and training preferences, we examine common examples in diving and discuss how human factors can improve safety. We also share practical steps to reduce cognitive dissonance, embrace learning from failure, and foster open-mindedness in the diving community. Original blog: https://www.thehumandiver.com/blog/cognitive-dissonance Links: Ditching in the Hudson of Cactus 1549: https://en.wikipedia.org/wiki/US_Airways_Flight_1549 Story about cult foollowers expecting a UFO: https://www.minnpost.com/second-opinion/2011/04/when-facts-fail-ufo-cults-birthers-and-cognitive-dissonance “Unintended co-ejaculators”: https://ethicsunwrapped.utexas.edu/cognitive-dissonance-case-unindicted-co-ejaculator Examples of cognitive dissonance: https://en.wikipedia.org/wiki/Cognitive_dissonance Tags: English, Decision Making, Gareth Lock, Human Factors…

Counter-Errorism in Diving: Applying Human Factors to Diving

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SH144: Just another brick in (under) the wall...taking action 8:16

12 weeks ago8:16

8:16

In this episode, we explore the gap between knowledge and action, focusing on how even small, intentional changes can lead to significant improvements in safety and performance. Drawing from examples like the WHO Safe Surgical Checklist and lessons from diving, we highlight the importance of applying what we know—whether through simple tools like checklists and debriefs or by understanding decision-making and systemic issues. Alongside a personal story about working with a coach to turn knowledge into impactful action, we challenge listeners to reflect: what will you do to turn your insights into meaningful change? Original blog: https://www.thehumandiver.com/blog/anotherbrickinthewall Links: CAP 737 http://publicapps.caa.co.uk/modalapplication.aspx?appid=11&mode=detail&id=6480 IOGP Doc 502 https://www.iogp.org/bookstore/product/guidelines-for-implementing-well-operations-crew-resource-management-training/ Non-technical skills for surgeons: https://www.rcsed.ac.uk/professional-support-development-resources/learning-resources/non-technical-skills-for-surgeons-notss The Castle: http://www.thisiscolossal.com/2018/02/the-castle-by-jorge-mendez-blake/ World Health Organisation Safe Surgical Checklist: https://www.nejm.org/doi/full/10.1056/NEJMsa0810119 Semmelweis: https://en.wikipedia.org/wiki/Ignaz_Semmelweis Distancing through differencing: https://www.researchgate.net/publication/292504703_Distancing_through_differencing_An_obstacle_to_organizational_learning_following_accidents Tags: English, Decision-Making, Gareth Lock, Human Factors, Non-Technical Skills…

Counter-Errorism in Diving: Applying Human Factors to Diving

1
SH143: 'Entirely Predictable' vs 'Managing Uncertainty': How many rolls on the dice? 13:05

12 weeks ago13:05

13:05

In this episode, we delve into the complexities of managing risk and uncertainty in diving, challenging the notion that accidents are "entirely predictable." Unlike measurable risks, diving involves countless variables that create uncertainty, often managed through mental shortcuts and biases. We discuss how hindsight bias, overconfidence, and peer pressure can cloud judgment, leading to poor decisions. Effective feedback, teamwork, and tools like checklists can reduce uncertainty, while debriefs and learning from others’ mistakes are crucial for improvement. Tune in to explore how divers can navigate uncertainty to enhance safety and performance in this high-stakes environment. Original blog: https://www.thehumandiver.com/blog/uncertainty-vs-predictable Links: Risk vs Uncertainty: http://www.mindtherisk.com/literature/67-risk-savvy-by-gerd-gigerenzer Thinking, Fast and Slow: https://en.wikipedia.org/wiki/Thinking,_Fast_and_Slow Blog about the Dunning Kruger effect: https://www.thehumandiver.com/blog/incompetent-and-unaware-you-don-t-know-what-you-don-t-know Blog about biases: https://www.humaninthesystem.co.uk/blog/i-am-biased-you-are-biased-we-are-all-biased Tags: English, Decision Making, Gareth Lock, Risk…

Counter-Errorism in Diving: Applying Human Factors to Diving

1
SH142: The standard you walk past is the standard you accept 6:57

13 weeks ago6:57

6:57

The diving industry faces challenges in maintaining high safety standards due to a lack of effective feedback mechanisms and a fear of reprisal for reporting substandard practices. Feedback is essential for improving performance and preventing dangerous "normalization of deviance," but it’s often viewed as blame rather than an opportunity for learning. Without proper acknowledgment or action from agencies, divers and instructors lose trust in the system, leading to fewer reports and greater risks. To protect the self-regulating nature of the industry, the community must embrace constructive feedback, report unsafe practices, and demand accountability from agencies to ensure safety and uphold standards. Original blog: https://www.thehumandiver.com/blog/standard-you-accept Links: Blog about normalisation of deviance: https://www.thehumandiver.com/blog/being-a-deviant-is-normal Willful blindness: https://www.ted.com/talks/margaret_heffernan_the_dangers_of_willful_blindness Case study from healthcare in the US: https://news.aamc.org/patient-care/article/best-response-medical-errors-transparency/ Tags: English, Gareth Lock, Just Culture, Reporting…

Counter-Errorism in Diving: Applying Human Factors to Diving

1
SH141: We cannot improve if we don't learn. We can't learn if we don't understand. 11:18

13 weeks ago11:18

11:18

When discussing diving incidents, it’s vital to shift away from blame and hindsight bias and instead foster a culture of open dialogue to understand why decisions made sense at the time. Often, divers are doing their best with the resources, training, and information available, but situational awareness and decision-making are shaped by incomplete data, personal experience, and environmental factors. Criticism without context or constructive feedback doesn’t improve safety or learning; instead, it deters people from sharing critical insights. By embracing a "just culture," the diving community can better explore the underlying factors behind incidents, address systemic issues, and create meaningful opportunities for growth and safety improvement. Original blog: https://www.thehumandiver.com/blog/cannot-improve-do-not-understand Links: Report of the death of CCR diver: https://cognitasresearch.files.wordpress.com/2015/05/dillon-2015-findings-in-the-inquest-into-the-death-of-philip-gray.pdf Tags: English, Gareth Lock, Just Culture …

Counter-Errorism in Diving: Applying Human Factors to Diving

1
SH140: Safety is not _the_ priority... 11:12

14 weeks ago11:12

11:12

Safety in diving is not a standalone priority but one of many factors, including time, money, resources, and productivity, that individuals and organizations must balance in a dynamic environment. Safety is best understood as reducing risk to an "acceptable level," but defining what is acceptable can be complex and context-dependent. Using principles like ALARP (As Low As Reasonably Practicable), risk is mitigated until further reduction becomes disproportionately expensive or impractical. Both training organizations and divers face trade-offs between safety and competing priorities, which can shift depending on circumstances. Divers must critically assess their own safety standards and weigh the effort, time, and money required to mitigate risks, understanding that "safety" is a shared responsibility within the larger system of diving. Ultimately, improving safety requires self-awareness, courage, and a commitment to learning from near-misses and incidents. Original blog: https://www.thehumandiver.com/blog/safetyisnot_the_priority Links: ICAO Safety Management Manual: https://www.icao.int/safety/SafetyManagement/Documents/Doc.9859.3rd%20Edition.alltext.en.pdf Royal Sociecty Risk Assessment report: https://books.google.co.uk/books/about/Risk_Assessment.html?id=LRcmQwAACAAJ&redir_esc=y John Adams book ‘Risk’: http://www.john-adams.co.uk/wp-content/uploads/2017/01/RISK-BOOK.pdf Efficiency-Throughouness Trade Off: http://erikhollnagel.com/ideas/etto-principle/index.html ] Work as Imagined/Work as Done: https://www.thehumandiver.com/blog/what-does-human-factors-in-diving-mean Cognitive biases: https://www.thehumandiver.com/blog/17-cognitive-biases Tags: English, Gareth Lock, Human Factors, Safety…

Counter-Errorism in Diving: Applying Human Factors to Diving

1
SH139: What does Human Factors in Diving mean? 8:55

14 weeks ago8:55

8:55

Human factors in diving encompass everything from individual behavior to the interaction between divers, technology, and organizational systems. This podcast dives into the complexities of human factors, exploring how they influence safety, performance, and decision-making. Topics include cognitive biases, stress, and fatigue, as well as the gap between "Work as Imagined" and "Work as Done." We also discuss the importance of Crew Resource Management (CRM) and Non-Technical Skills (NTS) in improving team dynamics and situational awareness, even in solo diving. Additionally, we touch on the lack of formal human factors standards in diving and the need for better incident reporting systems. Finally, we highlight practical approaches to training, such as effective pre-dive briefs, debriefs, and feedback mechanisms, to help divers and instructors foster safer, more adaptive practices. Original blog: https://www.thehumandiver.com/blog/what-does-human-factors-in-diving-mean Links: Steven Shorrocks blogs about the four parts of Human Factors: Tags: English, Gareth Lock, Human Factors…

Counter-Errorism in Diving: Applying Human Factors to Diving

1
SH138: Why ‘Human Error’ is a poor term if we are to improve diving safety 24:59

15 weeks ago24:59

24:59

This podcast explores the limitations of attributing diving accidents to "human error," a reductionist explanation that fails to address the complexities of real-world decision-making and system failures. By examining a case study involving oxygen toxicity during a rebreather dive, the episode delves into how biases, situational awareness, and flawed mental models contribute to adverse events. It highlights the importance of understanding the context behind decisions, recognizing that divers rarely intend to put themselves or others at risk. Drawing parallels with aviation and other industries, the podcast advocates for systemic changes, better training, and a culture of learning to enhance safety, rather than placing blame. Original blog: https://www.thehumandiver.com/blog/why-human-error-is-a-poor-term Links: Animated Swiss cheese model: https://vimeo.com/249087556 References: 1. Bierens, J. Handbook on drowning: Prevention, rescue, treatment. 50, (2006). 2. Denoble, P. J. Medical Examination of Diving Fatalities Symposium: Investigation of Diving Fatalities for Medical Examiners and Diving. (2014). 3. Denoble, PJ, Caruso, JL, de Dear, GL, Pieper, CF & Vann, RD. Common causes of open-circuit recreational diving fatalities. Undersea Hyperb Med 35, 393–406 (2008). 4. Parry, G. W. Human reliability analysis—context and control By Erik Hollnagel, Academic Press, 1993, ISBN 0-12-352658-2. Reliability Engineering & System Safety 99–101 (1996). doi:10.1016/0951-8320(96)00023-3 5. Reason, J. T. Human Error. (Cambridge University Press, 1990). 6. Phipps, D. L. et al. Identifying violation-provoking conditions in a healthcare setting. Ergonomics 51, 1625–1642 (2008). 7. Dekker, S. The Field Guide to Understanding Human Error. 205–214 (2013). doi:10.1201/9781315239675-20 8. Endsley, MR. Toward a theory of situation awareness in dynamic systems. Human Factors: The Journal of the Human Factors and Ergonomics Society 37, 32–64 (1995). 9. Klein, GA. Streetlights and shadows: Searching for the keys to adaptive decision making. (2011). 10. Amalberti, R, Vincent, C, Auroy, Y & de Maurice, S. G. Violations and migrations in health care: a framework for understanding and management. Quality & safety in health care 15 Suppl 1, i66–71 (2006). 11. Cook, R & Rasmussen, J. ‘Going solid’: a model of system dynamics and consequences for patient safety. Quality & safety in health care 14, 130–134 (2005). 12. Woods, DD & Cook, RI. Mistaking Error. Patient Safety Handbook 1–14 (2003). Tags: English, Gareth Lock, Human Error…

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Counter-Errorism in Diving: Applying Human Factors to Diving « » SH156: CCR pre-dive checks and checklists are not always enough to prevent an equipment-based accident!

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SH156: CCR pre-dive checks and checklists are not always enough to prevent an equipment-based accident!