How to Run a Safety Culture Evidence Review in 90 Minutes
A 90-minute safety culture evidence review helps leaders compare survey claims, field facts, weak signals and routine decisions before choosing action.

Key takeaways
- 01A safety culture evidence review should support one practical decision, because broad culture debates rarely change the next shift.
- 02Use 5 evidence streams, including incidents, near misses, observations, safety concerns and corrective actions, before trusting survey impressions.
- 03Open with field facts rather than maturity labels so leaders discuss decisions, delays, escalations and routines people can verify.
- 04The review should end with 3 routine changes, each with an owner, first date and evidence that will show whether the change worked.
- 05A 30-day verification keeps the meeting from becoming another ritual and shows whether leadership decisions changed the work.
A safety culture evidence review is a structured meeting in which leaders compare what people say about safety with what field evidence shows in observations, stop-work events, corrective actions, contractor behavior, and daily supervision.
Many organizations discuss safety culture as if it were a mood. The conversation moves through survey scores, campaign slogans, engagement comments, and a few recent incidents. Everyone leaves with an impression, yet the next shift receives no sharper control, no clearer escalation rule, and no better response to bad news.
This guide takes a different position. Safety culture should be reviewed as operational evidence before it becomes a communication campaign. Across 25+ years leading EHS in multinational operations, Andreza Araujo has seen that culture becomes visible when pressure appears: what supervisors tolerate, what workers report, what leaders verify, and what the organization fixes before harm occurs.
Use this 90-minute review when a plant manager, EHS manager, HR partner, or executive team needs a practical reading of culture without waiting for another annual survey. The goal is not to label the culture. The goal is to decide what must change in the next 30 days.
Step 1: Define the decision before inviting people
Start by writing the decision the review must support. A useful decision might be whether the site needs a supervisor coaching reset, a contractor safety intervention, a reporting-response improvement, or a deeper safety culture diagnosis. Without that decision, the meeting becomes a broad conversation that rewards strong opinions more than evidence.
The decision should fit one sentence: "We need to know whether our field routines make weak signals visible early enough." Another valid sentence is, "We need to know whether supervisors are protecting voice when production pressure appears." These sentences keep the review close to work rather than reputation.
Andreza Araujo's Safety Culture: From Theory to Practice treats culture as daily choices repeated under pressure. That is why the review should begin with a decision about those choices, not with a debate about whether the organization has a good culture.
Step 2: Select 5 evidence streams
Choose 5 evidence streams before the meeting. Use recent incident learning, near-miss quality, field observation notes, stop-work or safety concern records, and corrective-action closure. If the site has contractors, add contractor findings as one of the streams because contractor behavior often reveals the culture more honestly than employee survey averages.
Do not bring every dashboard. A review that tries to inspect 40 indicators in 90 minutes will produce polite scanning, not judgment. The selected streams should show how risk information enters the organization, how leaders respond, and whether the response changes work.
The companion article on safety climate survey blind spots is useful here because it warns against reading favorable perception data without field evidence. A strong evidence review treats survey data as one input, not as the verdict.
Step 3: Build a one-page evidence pack
The meeting owner should prepare one page, not a presentation deck. The page should list each evidence stream, the period reviewed, the strongest signal, the weakest signal, and the open question. This forces the owner to interpret the data before asking busy leaders to react to it.
For example, the pack might show that near-miss volume is rising while the percentage with clear control failure is falling. It might show that stop-work events are concentrated in one shift, or that corrective actions close on time but rarely change the work condition. These are culture signals because they show how truth travels and whether action follows.
A one-page pack also prevents a common trap. Leaders can hide behind numbers when there are too many numbers. The review should make the tension visible enough that a plant manager can ask, "What are we not hearing, and why?"
Step 4: Invite the smallest group that can act
The review should include only people who can interpret the evidence and change the next routine. A practical group is the plant manager, EHS manager, HR or occupational health partner when psychosocial issues are present, one operations leader, one maintenance leader, and one contractor interface owner when contractors are central to the risk.
Large groups create performance behavior. People protect their department, explain the number, or wait for the senior leader to define the safe answer. A smaller group can speak more precisely, especially when the evidence shows weak supervision, inconsistent escalation, or silent teams.
If worker voice needs to be heard directly, use a separate listening step before the review and bring anonymized themes into the evidence pack. Do not place one worker in a room where managers debate whether the workforce is honest. That design protects hierarchy more than truth.
Step 5: Open with field facts, not culture labels
The first 15 minutes should describe what happened in the field. Avoid labels such as mature, immature, proactive, caring, resistant, or engaged. Say what the evidence shows. Five stop-work events came from one contractor. Three near misses had no barrier analysis. Two safety concerns waited more than 14 days for response. Supervisors corrected PPE but did not remove the blocked access route.
Field facts lower defensiveness because they give the group something to verify. They also expose the difference between declared values and operated routines. A company can say that speaking up is welcome, although a concern that waits two weeks for response teaches the opposite lesson.
This is where the review connects with safety culture diagnosis based on field evidence. Diagnosis becomes credible when leaders can point to decisions, delays, escalations, and habits that workers can recognize.
Step 6: Test what leaders rewarded last month
Culture is shaped by what leaders reward, tolerate, ignore, and punish. Spend 15 minutes asking what the leadership team rewarded last month. Did supervisors praise a worker who stopped a rushed task, or did they praise only the team that finished the job early? Did a manager thank someone for reporting bad news, or did the first response sound irritated?
This step matters because many weak cultures do not announce themselves through open hostility to safety. They appear through small repeated signals. The worker who raises a blocked guard receives silence. The supervisor who challenges a schedule is called difficult. The contractor who reports an error is treated as a problem to manage rather than a source of risk information.
In Make The Difference: Be a Leader in Health & Safety, Andreza Araujo presents leadership as care translated into action. The evidence review should therefore ask whether leader behavior made safer action easier last month or merely asked people to care more.
Step 7: Separate weak signals from weak paperwork
Not every finding means the culture is weak. Some findings show poor forms, unclear definitions, or inconsistent data entry. The review must separate weak signals from weak paperwork because the actions are different. A poor form needs redesign. A silent team needs leadership attention. A repeated critical-control bypass needs immediate operational intervention.
Use 3 questions for each signal. Is the evidence describing real exposure? Is the evidence describing the organization's response to exposure? Or is the evidence only describing how the form was filled? These questions keep the team from fixing the reporting channel while leaving the risk untouched.
The article on safety rituals replacing control expands this distinction. A ritual may look active, but it does not prove that risk changed.
Step 8: Choose 3 actions that change routines
The review should end with 3 routine changes, not a long action list. A routine change might be a weekly review of aged safety concerns, a supervisor standard for responding to stop-work events, a contractor pre-job challenge question, or a requirement that every serious near miss names the failed barrier before training is assigned.
Each action should name the owner, the routine, the first date, and the evidence that will show whether the routine worked. If the action cannot be observed in the next 30 days, it is probably too vague for a 90-minute review. Culture moves through repeated work, and repeated work needs a visible owner.
Training may be one of the actions, but it should not be the automatic action. The guide on when safety training is not the answer shows why retraining often becomes a substitute for changing supervision, design, planning, or response quality.
Step 9: Close with a 30-day verification plan
Before the meeting ends, schedule a 30-day verification. The question should be narrow: did the 3 routine changes create better evidence? If concern aging fell, if stop-work responses became faster, if near-miss analysis named clearer control failures, or if contractors escalated earlier, the review changed the management system.
Verification protects the review from becoming another safety ritual. Leaders should see whether their decisions altered the next month of work. If the evidence did not move, the group should ask whether the action was too weak, the owner lacked authority, or the signal was misread.
A 90-minute review is not a full culture transformation. It is a disciplined way to stop guessing. When repeated monthly or quarterly, it gives leaders a working lens on whether culture is becoming safer in the place that matters most, the next decision under pressure.
Final checklist for the meeting owner
Use this checklist before sending the invitation. If these items are not ready, postpone the review for a few days and prepare the evidence properly.
- The review has one decision to support.
- Five evidence streams are selected and current.
- The evidence pack fits on one page.
- The invite list includes only people who can act on routines.
- The opening describes field facts rather than culture labels.
- The agenda includes leadership rewards, weak signals, and paperwork quality.
- The meeting ends with 3 routine changes and a 30-day verification date.
A safety culture evidence review works because it makes leadership look at the same thing workers already see: how the organization behaves when risk information becomes inconvenient. For organizations that need deeper support, Andreza Araujo and ACS Global Ventures can help turn culture evidence into a practical transformation roadmap.
Frequently asked questions
What is a safety culture evidence review?
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Which evidence should be used in a safety culture review?
Should survey scores lead the culture review?
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About the author
Andreza Araújo
Safety Culture Expert | Senior EHS Executive
Andreza Araújo is a safety culture expert and senior EHS executive with more than 25 years of experience in environment, health and safety. She is a Civil Engineer and Occupational Safety Engineer from Unicamp, holds a Master's degree in Environmental Diplomacy from the University of Geneva, and completed sustainability studies at IMD Switzerland. Andreza has served in Global Head of EHS roles in Fortune 500 environments, leading cultural transformation programs across multinational operations. She has represented Brazil as a speaker at the United Nations in Paris and has spoken at the International Labour Organization in Turin. She is the author of more than 16 books on safety culture in Portuguese, Spanish, English and German. Her work has earned more than 10 EHS awards, including two recognitions from Indra Nooyi, former PepsiCo CEO.
- Civil & Safety Engineer (Unicamp)
- M.A. Environmental Diplomacy (University of Geneva)
- Sustainability Cert (IMD Switzerland)
- People Management & Coaching (Ohio University)
- UN Paris speaker representative for Brazil
- ILO Turin speaker
- LinkedIn Top Voice
- Indra Nooyi PepsiCo CEO recognition (2x)
Documentaries
Watch Andreza's documentaries
Three productions on safety culture, organizational failure and the human lessons behind major disasters.
Podcasts
Listen to Andreza's podcasts
She hosts three shows on safety leadership, EHS and organizational culture, in English and Portuguese.