In Brief
- Unsafe behavior in high-hazard industries is rarely caused by individual carelessness — it emerges from the interaction of psychological strain, peer norms, organizational pressure, and structural constraints.
- Optimism bias — workers’ tendency to underestimate their own personal risk even when aware of a hazard — is documented across every industry in the 50-study review and is not corrected by awareness campaigns.
- Production pressure not only increases unsafe behavior but suppresses incident reporting, creating a dual barrier that compounds over time.
- Campaigns that target individual knowledge and attitudes while leaving structural and organizational conditions unchanged are consistently outpaced by the system around them.
In 2013, researchers studying production pressure in US coal mining found something that most safety managers already suspected but few had documented: when workers felt pressured to meet output targets, they didn’t just work faster, they also stopped reporting accidents. The same pressure that produced unsafe behavior simultaneously erased the evidence of it. Workers quietly fixed problems — patching over hazards informally rather than submitting reports — because disclosure meant scrutiny, and scrutiny meant delay (Probst & Graso, 2013).
The implications of that finding extend well beyond mining. They challenge the foundational assumption of most workplace safety communication: that unsafe behavior is primarily a problem of individual attitude or knowledge, and that the right message, delivered to the right person, is enough to change it. It isn’t. And the research is extensive on this point.
About This Research
This post draws on Safety Behaviors and Behavioral Science Approaches in High-Hazard Industries: A Systematic Review Report by Dr Khaleda Ahmadyar (April 2026). Conducted in accordance with PRISMA 2020 guidelines, the review synthesizes 50 peer-reviewed studies published between 1995 and 2026, spanning more than 20 countries and six high-hazard industries: construction, mining, manufacturing, agriculture, oil and gas, and transportation. It is the most comprehensive cross-industry synthesis of safety behavior determinants and behavioral science interventions currently available.
Why Do Workers Cut Corners Even When They Know the Rules?
The 50-study review identified barriers to safe behavior operating across four distinct levels: the individual, the social group, the organization, and the physical environment. What emerges is not a portrait of careless workers who need reminding of the rules. It is a portrait of capable workers operating within systems that make unsafe behavior rational, normalized, or structurally unavoidable.
The Individual – What really holds safety back isn’t knowledge—it’s psychological strain.
At the individual level, the main barrier is not a knowledge gap, but psychological strain. Across industries, anxiety, depression, fatigue, and work stress consistently appeared as precursors to unsafe behavior. Strain degrades attention and raises risk tolerance directly (Alroomi & Mohamed, 2021; Fang et al., 2018). A worker who is exhausted, financially anxious, or managing family pressures is a worker with depleted cognitive resources. Safety requires sustained attention. Strain depletes it.
Related to this is one of the most counterintuitive findings in the safety behavior literature: optimism bias. Workers consistently underestimate the probability that they personally will be injured, even when fully aware that the hazard exists and that others have been hurt (Man et al., 2022). This is not ignorance — it is a cognitive distortion so universal it appears across every industry in the review. It means that campaigns built around hazard information alone regularly fail to move behavior, because workers who already know the risk don’t believe it applies to them personally.
The Social Group Barrier – How Social Dynamics Normalize Unsafe Behavior
If individual psychology is the first layer of the barrier problem, social dynamics are the second — and they may be more powerful. Negative coworker norms, identified across multiple studies as a primary mechanism through which unsafe behavior becomes normalized, operate through a process of social learning that is difficult to override with a signage, a poster or a training module (Choi et al., 2017; Yuan et al., 2022).
The production-oriented peer culture documented in construction and mining settings — characterized in some studies as a “tough guy” ethos in which shortcuts signal competence and compliance signals slowness — is not a random cultural artifact. It is a rational adaptation to workplaces that simultaneously demand speed and profess to demand safety. Workers receive the message that productivity is what is truly valued. Their behavior reflects it.
Research on family interference adds a dimension that safety campaigns almost never address. A study of construction and utility workers found that distraction by stress or responsibilities at home depleted the attentional resources available for safe behavior on the job (Johnson et al., 2019). Workers separated from their families in remote oilfield contexts showed lower safety participation, with the mechanism running through fatigue and anxiety (Alroomi & Mohamed, 2021). The workplace is not a sealed environment.
Get the full barrier map by industry
The systematic review breaks down barriers to safe behavior across all six high-hazard sectors — with the evidence and communication implications for each.
The Organization and Physical Barriers -When the Organization Makes Risk the Easier Option
At the organizational level, the evidence converges on a finding that should unsettle anyone who has designed a safety campaign around compliance training: the conditions in which workers operate frequently make unsafe behavior the path of least resistance, regardless of individual attitudes or intentions.
Poor safety culture — workers’ shared perception that safety is not genuinely prioritized over production — appeared as a central barrier across nearly every industry in the review (Cavallari et al., 2019; Man et al., 2022). One study found that poor safety culture actively amplified the effect of optimism bias: in organizations where workers perceived that management tolerated risk-taking, the tendency to underestimate personal risk was significantly stronger. The culture doesn’t just permit unsafe behavior — it accelerates it.
Physical and structural conditions matter in ways that are often treated as logistics rather than communication problems. Workers without employer-provided PPE do not self-purchase it (Yosef & Shifera, 2023). Construction workers without regular supervisory oversight were four times less likely to use protective equipment. Uncomfortable or poorly fitting equipment gets removed — not out of defiance, but because wearing it makes work impractical under time pressure (Choi et al., 2017). No motivational message compensates for a structural gap.
What This Means for Campaign Design
The core finding from the 50-study review does not diminish the role of communication in occupational safety. It reframes it. Unsafe behavior is not primarily a product of individual attitude or knowledge deficits — it emerges from the interaction of psychological strain, social norms, organizational pressure, and environmental constraints. Campaigns designed without understanding which of these is most active in a specific workforce are likely to address the wrong mechanism entirely.
The next post in this series examines what actually leads workers to choose safety — the positive conditions and levers that campaigns can activate. The behavioral science post introduces the diagnostic frameworks that translate barrier evidence into precise campaign design. And the intervention evidence shows what happens when programs get the diagnosis right — and what happens when they don’t.
Frequently Asked Questions
What is optimism bias in workplace safety? Optimism bias is the tendency for workers to underestimate their own probability of being injured, even when they are fully aware that a hazard exists and that others have been hurt. It is not ignorance — it is a cognitive distortion that appears across every industry in the research. Because workers believe the risk applies to others but not to them personally, campaigns that simply communicate hazard information do not correct it.
Why do workers cut corners even when they know the rules? Knowledge of rules is rarely the limiting factor in safe behavior. The research identifies psychological strain (fatigue, anxiety, stress), social pressure from peers, production demands, poor safety climate, and physical constraints like PPE discomfort as the primary barriers. Workers cut corners because the conditions around them make unsafe behavior the more rational, less effortful, or socially safer choice in that moment.
How does production pressure affect safety behavior and incident reporting in high-hazard industries? Production pressure increases unsafe behavior directly — workers take shortcuts to meet targets. But it also suppresses incident reporting: workers who fear that reporting an accident will slow work, invite scrutiny, or damage their standing tend to quietly fix problems rather than formally disclose them. This creates a compounding effect where the same pressure that produces unsafe behavior also removes the evidence of it.
References
- Ahmadyar, K. (2026). Safety behaviors and behavioral science approaches in high-hazard industries: Systematic Review Report.
- Alroomi, A. S., & Mohamed, S. (2021). IJERPH, 18(21).
- Choi, B., et al. (2017). Journal of Construction Engineering and Management, 143(5)
- Johnson, R. C., et al. (2019). Journal of Vocational Behavior, 110, 117–130.
- Man, S. S., et al. (2022). IJERPH, 19(3).
- Probst, T. M., & Graso, M. (2013). Accident Analysis & Prevention, 59, 580–587.
- Yosef, T., & Shifera, N. (2023). Environmental Health Insights, 17.
About Bottlenose
Bottlenose is a behavior-change communication agency built for high-risk environments. Our purpose is to protect people’s lives by applying behavioral science to workplace communication — guiding safer everyday decisions and fostering a culture of health, safety and environment.
Our name is inspired by the bottlenose dolphin: an intelligent, collaborative species known for guiding and protecting through gentle nudges and coordinated behavior. Just as dolphins influence one another through subtle prompts and shared awareness, we help organizations influence safer actions through thoughtful, evidence-based communication.
We design creative, science-backed campaigns that help employees make safer decisions — from reporting hazards and speaking up about unsafe work to reducing distracted driving and improving PPE compliance.
Want to go deeper? Access the systematic review behind this series — or reach out to explore what a behavior-change campaign could look like for your organization.
