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What makes drivers rage? simulator study explores triggers

NCT ID NCT03430973

Knowledge-focused Sponsor: Ohio State University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early This study
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study used driving simulators to see what makes people drive aggressively or experience road rage. Researchers tested things like music, bumper stickers, and roadside trash to see if they affect driving behavior. The study included 85 adults from Ohio with valid driver's licenses. It was terminated early, so results are limited.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If successful, this research could help identify triggers for aggressive driving and road rage, potentially leading to better safety campaigns or driver training.
What could go wrong
The study was terminated early and had a small sample size (85 participants). Results may not apply to real-world driving or all drivers.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

85 people

The number who actually took part.

Started

Oct 2015

Finished

Dec 2025

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Participants will be adults recruited from Central Ohio (Franklin County) through advertisements (e.g., newspaper, Internet). * Participants' ages will vary depending on the experiment. 18 and older for Experiment 1; 18-21 for Experiments 2-4 and 6-7; 21+ for Experiment 5 * All participants must have a current driver license. Exclusion Criteria: • Participants who have motion sickness will be excluded.

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Conditions

The condition(s) this trial relates to.

Aggression Road Rage

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Aggression

Contacts and locations

Locations

  • The Ohio State University Driving Simulation Laboratory

    Columbus, Ohio, 43212, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.