1. Publication
- Title: Using Serious Games to Increase the Implementation of Trauma Triage Guidelines: A Randomized Clinical Trial
- Acronym: Night Shift (game name); trial informally referred to by title
- Year & Journal: JAMA, published April 20, 2026 (2026;335(19):1672-1683)
- Citation: Mohan D, Chang CH, Fischhoff B, et al. Using Serious Games to Increase the Implementation of Trauma Triage Guidelines: A Randomized Clinical Trial. JAMA. 2026;335(19):1672-1683. doi:10.1001/jama.2026.4079
2. Context & Rationale
Background: Older adults with severe traumatic injuries are frequently under-triaged because their injuries appear less severe than they are (e.g., an older person with four rib fractures from a fall can face mortality risk similar to a young person shot in the liver). This under-triage is driven substantially by clinical heuristics/mental shortcuts rather than knowledge gaps alone, meaning traditional didactic continuing education may not effectively change behavior.
Research Question/Hypothesis: Does a theory-based serious game ("Night Shift"), designed to use storytelling and emotionally engaging high-stakes puzzles to target the heuristics underlying under-triage, improve emergency physician adherence to trauma triage guidelines for older adults compared with usual continuing education?
Why This Matters: An increasing proportion of severely injured patients are >65 years old; effective, scalable behavior-change interventions (rather than costly recertification courses) could meaningfully reduce under-triage-related preventable harm at a population level.
3. Design & Methods
- Study Type: Randomized clinical trial
- Setting & Centers: Emergency departments of non-trauma centers, USA; physician enrollment began February 7, 2024; patient data collection January 1, 2024 (or enrollment date) – February 6, 2025
- Population:
- Inclusion: Emergency physicians responsible for triage of Medicare fee-for-service injured patients ≥65 years old at nontrauma-center EDs
- Unit of analysis: Physician-level randomization (800 physicians), with patient-level triage outcomes assessed over the following year
- Intervention: Game-based training — "Night Shift," a theory-based serious video game with narrative/emotional engagement and 90-second clinical decision puzzles; initial 2-hour session plus quarterly 20-minute sessions (4 doses total) (n=400 physicians; adherence: 99% received ≥1 dose, 67% received all 4 doses)
- Comparator: Usual continuing medical education (regularly scheduled, required for certification) (n=400 physicians)
- Randomization: 1:1, 800 physicians
- Blinding: Not detailed in available trial text (behavioral/educational intervention, likely not blinded to participants)
- Statistical Power & Follow-Up: Primary outcome: proportion of severely injured older adults under-triaged, assessed over the 1-year follow-up period after physician enrollment.
4. Key Results
800 physicians randomized (400 game-based training, 400 usual education); 99% (397/399) of intervention-group physicians received ≥1 game dose, 67% (268/399) received all 4 doses.
Outcome | Game-Based Training | Usual Education | Notes |
Under-triage rate of severely injured older adults (primary) | 49% | 57% | Statistically significant improvement with game-based training |
Over-triage rate | Not significantly different between groups | Not significantly different between groups | Game-based training was not associated with increased over-triage — an important safety/efficiency finding (avoiding a simple "triage everyone as severe" shortcut) |
Note on data completeness: Exact statistical effect size (odds ratio/risk difference with 95% CI and p-value) for the primary under-triage comparison was not available in the accessible source text beyond the reported percentages (49% vs 57%); readers should consult the primary JAMA publication for the full statistical inference.
5. Internal Validity Assessment
- Randomization & Allocation: 1:1 physician-level randomization; specific concealment mechanics not detailed in available trial text.
- Protocol Adherence & Separation: Strong adherence to the intervention as designed: 99% received at least the initial dose, 67% completed all 4 doses (initial + 3 quarterly boosters) — supporting that the observed effect reflects a genuinely delivered intervention rather than a diluted/non-adherent one.
- Blinding & Detection Bias: Not detailed in available trial text; a behavioral/educational intervention comparing a video game against standard CME is inherently difficult to blind for participants, though patient-level triage outcome ascertainment could plausibly be conducted with some independence from group assignment.
- Missing Data & Sensitivity Analyses: Not detailed in available trial text.
- Overall Internal Validity Conclusion: Moderate-to-good — physician-level randomization with strong, well-documented intervention adherence (99% receiving ≥1 dose) supports the primary finding; specific blinding and full statistical inference details were not accessible for this summary, introducing some uncertainty about the full rigor of outcome ascertainment.
6. External Validity Assessment
- Population Representativeness: Emergency physicians at US nontrauma-center EDs managing Medicare fee-for-service (i.e., older adult, ≥65y) injured patients — directly targets the population and clinical setting where under-triage of older trauma patients is most clinically consequential.
- Practice Context: Nontrauma centers specifically (as opposed to designated trauma centers) — the setting where the initial triage/transfer decision for older trauma patients is made and where guideline adherence gaps are most likely to have practice-level impact.
- Overall External Validity Conclusion: Good — directly tests the intervention in the real-world clinical setting (nontrauma-center EDs) and population (older Medicare trauma patients) most relevant to the under-triage problem it addresses.
7. Strengths & Limitations
Strengths:
- Directly addresses a well-documented, clinically consequential gap (under-triage of older trauma patients)
- Innovative behavioral-science-based intervention design targeting heuristics rather than just knowledge
- Strong intervention adherence (99% receiving ≥1 dose)
- Real-world, patient-level outcome ascertainment over a full year following physician training
- No increase in over-triage — rules out a trivial "triage everyone as severe" explanation for the under-triage improvement
Limitations:
- Exact statistical effect-size/CI for the primary comparison not accessible for this summary
- Blinding details not available
- Single-country (US) trial
- The intervention (a custom-developed video game) requires initial development investment, though ongoing delivery/maintenance costs are likely lower than recertification courses
8. Interpretation & Practice Impact
- Clinical Implications: A theory-based serious game can meaningfully reduce under-triage of severely injured older adults compared with standard continuing education, without a corresponding increase in over-triage — supporting serious games as a viable, potentially more effective and scalable alternative to traditional recertification-style education for this specific behavior-change target.
- Mechanistic Coherence: The intervention's design (targeting subconscious heuristics via emotionally engaging storytelling and time-pressured decision puzzles) is consistent with decision-science literature suggesting knowledge alone is often insufficient to change ingrained clinical heuristics — the trial's positive result supports this theoretical mechanism.
- Systems-Level Takeaway: Investigators are already planning next steps, including testing more frequent "microdose" delivery (e.g., 90 seconds weekly) and expanding the behavioral-intervention concept across the full trauma-care spectrum (EMS, nontrauma hospitals, trauma center teams) as a multi-component, multi-level intervention strategy.
9. Controversies & Subsequent Evidence
- Editorial Commentary/Debates: Not detailed in available trial text.
- Guideline Integration: Represents an early but promising application of serious-games/behavioral-science methodology to clinical guideline implementation; a related secondary analysis (Mohan et al., JAMA Netw Open, 2025) previously examined this educational video game approach in trauma triage, and this JAMA trial represents the definitive, larger-scale randomized test.
10. Summary & Executive Takeaway
Summary: This JAMA-published RCT randomized 800 US emergency physicians at nontrauma centers to a theory-based serious video game ("Night Shift") or usual continuing education, then followed real-world triage decisions for severely injured older adults (≥65y) over the subsequent year. Physicians who played the game had a lower under-triage rate (49% vs 57%) with no corresponding increase in over-triage, and intervention adherence was strong (99% receiving ≥1 dose).
Overall Takeaway: A theory-based serious game meaningfully improved emergency physician adherence to trauma triage guidelines for older adults compared with standard continuing education, without an over-triage penalty — a genuinely novel, scalable behavior-change approach that could be extended across the trauma-care continuum as investigators are now planning.
11. Bibliography
- Mohan D, Fischhoff B, Talisa V, et al. An Educational Video Game in Trauma Triage at Nontrauma Centers: A Secondary Analysis of a Randomized Clinical Trial. JAMA Netw Open. 2025;8(6):e2513375.