Risk Compensation: Revisited and Rebutted

Do anti-lock brakes or bike helmets *increase* risk, since people adapt to the measure and therefore corner faster or use less self-protective behaviours? A lot has been said about Risk Homeostasis (RH), Risk Compensation (RC) or the Peltzman effect. But as it seems, we have little convincing, rigorous evidence that its core premises are demonstrable… Continue reading Risk Compensation: Revisited and Rebutted

The Sleep “Sweet Spot” For Extending Your Life (…kind of)

Is there a link between lower and higher sleep amounts of risk of death? A recent meta-analysis of 76 cohort studies provides some insight – but noting association, not necessarily causal. https://youtube.com/shorts/8zvenPtRpyQ?feature=share

A scoping review of the evidence base for the performance of leading indicators for improving safety outcomes

Do leading indicators work as expected? This scoping study evaluated 48 studies to explore the question. (Note: PDF shared under the CC BY 4.0 open access licence) Extracts: ·        While most studies reported some positive impact of leading indicators on lagging indicator performance, “overall the evidence base was weak” ·        Interestingly, it appears that most of the… Continue reading A scoping review of the evidence base for the performance of leading indicators for improving safety outcomes

Safe As 67 (audio): Designing safer and healthier work schedules

Safe As (audio): Designing safer and healthier work schedules This audio-only episode on Spotify/Apple etc. covers several principles on how to design better shift work/roster schedules, based on two sources. Don’t forget to check out my YouTube channel: https://www.youtube.com/@Safe_As_Pod

Safe As: Why you don’t want a hungry judge

Why you don’t want a hungry judge: noise. Noise in human judgement is undesirable variability in judgements of the same problem. Like, two different doctors making wildly different judgements on the same patient with the same information. If you find this useful then please jump onto YouTube and subscribe, like and comment directly on the… Continue reading Safe As: Why you don’t want a hungry judge

Article on AI stacks for different tasks

I found this an interesting article about one person’s preferred AI stacks for different tasks. (NB. image from article, but not from the author). Article: https://www.interconnects.ai/p/use-multiple-models

Prosecution unpacking officer duties, reasonably practicable, and expected systems of training and audit

This NSW prosecution unpacks officer duties, reasonably practicable, and expected systems of training and audit. It resulted from a workplace fatality, when a worker used a high pressure water spray gun to clean a tank, which had MEK resin. An explosion occurred. Extracts: ·        A director said he “had never completely read the occupational health and… Continue reading Prosecution unpacking officer duties, reasonably practicable, and expected systems of training and audit

Electrocution in the construction industry: a systematic review (full PDF)

This systematic review of electrocutions in the construction industry may interest some. Not a summary. NB. Open access licence permits the uploading of the PDF. Extracts: ·        “contact with overhead power lines was the most frequent and fatal, accounting for approximately 39–40% of incidents” ·        “direct contact with power sources above 220 V represented about 36% of cases”… Continue reading Electrocution in the construction industry: a systematic review (full PDF)

Safe As: Are AI models BS’ing you?

Are AI models BS’ing you? Do they have such an indifference–a lack of understanding even–about the truth, that their outputs constitute BS? (PS. This paper, and episode, isn’t critical of agentive models, LLM etc. or their value per se). Source: Hicks, M. T., Humphries, J., & Slater, J. (2024). ChatGPT is bullshit. Ethics and Information… Continue reading Safe As: Are AI models BS’ing you?

70% of all major change efforts in organizations … succeed?

70% of all major change efforts in organizations … succeed? lolwut? Not much to say – found these findings mildly interesting, based on analysis of 200 case studies from manager/Hr professionals describing a change initiative.   And probably no surprise: ·        “using Kotter’s change model, which has been long established, does not necessarily mean success” ·        “nor does… Continue reading 70% of all major change efforts in organizations … succeed?