When someone dials 999 or 911, they expect the person who answers to be calm, fast, and competent. What they probably do not think about is the exam that person passed before they were ever allowed to pick up the phone. Emergency dispatchers are not hired off the street. They are screened through one of the most demanding pre-employment assessments in public safety—a test that measures whether you can process overlapping information, type accurately under pressure, and make split-second decisions while someone on the other end of the line is screaming.
The test is called CritiCall. And it is the reason the person who answers your emergency call is not just anyone with a headset.
What CritiCall Actually Measures
CritiCall is a computer-based pre-employment test developed by CritiCall specifically for public safety telecommunicator positions—911 dispatchers, emergency call-takers, and police/fire communication operators. Unlike traditional aptitude tests that measure general intelligence, CritiCall tests the specific cognitive and motor skills that dispatch work demands: data entry speed and accuracy, multi-tasking ability, map reading, memory recall, prioritisation under pressure, and decision-making with incomplete information.
The test is typically administered at a computer terminal in a controlled environment. Candidates complete a series of timed modules, each simulating a different aspect of the dispatch job. One module may ask you to enter caller information into a database while listening to a recorded emergency call. Another may present a map and ask you to identify the fastest route for an emergency vehicle. A third may give you conflicting information from multiple sources and ask you to determine which details are most critical. The modules are designed to simulate the cognitive overload that dispatchers experience on every shift.
Why Dispatch Is One Of The Most Stressful Jobs Nobody Talks About
Emergency dispatchers handle an average of 600,000 calls per day across the United States. They work 12-hour shifts, often overnight. They listen to people die. They talk parents through performing CPR on their children. They coordinate multi-agency responses to mass casualty events while simultaneously managing routine calls about noise complaints and parking disputes. The turnover rate in the profession hovers around 19 percent nationally—and in high-volume centres, it can exceed 30 percent.
The mental health toll is significant. Studies have found that dispatchers experience PTSD symptoms at rates comparable to police officers and paramedics, despite never leaving the communications centre. They process trauma acoustically—hearing it without seeing it, which creates its own unique psychological burden. The CritiCall test exists in part to identify candidates who can handle this sustained cognitive and emotional pressure before they are placed in the chair.
The Test That Separates Candidates From Dispatchers
The pass rate for CritiCall varies by agency, but many departments report that 40 to 60 percent of candidates fail on their first attempt. The most common failure points are data entry speed—most agencies require a minimum of 2,100 keystrokes per hour with fewer than 15 percent errors—and multitasking, where candidates must process verbal information while simultaneously entering data into a computer-aided dispatch system. These are skills that feel simple in isolation but become enormously challenging when combined under a timer with simulated emergency audio playing in the background.
CritiCall is not a test you can study for in the traditional sense. You cannot memorise answers because the test generates scenarios dynamically. What you can do is familiarise yourself with the format, practise multitasking under timed conditions, and build speed in data entry and map reading. Working through a CritiCall practice test before the real assessment is the most practical way to understand what the modules look like, how the timing works, and where your weaknesses are. The candidates who fail are not typically the ones who lack intelligence. They are the ones who were not prepared for the specific combination of speed, accuracy, and multitasking that the test demands.
The Invisible First Responder
Dispatchers are classified as administrative workers by the U.S. Bureau of Labor Statistics—not as first responders. This classification, which advocates have been fighting to change for over a decade, means they often receive lower pay, fewer benefits, and less access to mental health resources than the police officers, firefighters, and paramedics they coordinate. The CritiCall test screens for the hardest job in public safety that most people will never see. The person who answers when you dial 999 did not stumble into that chair. They earned it—one timed, high-pressure module at a time.
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