In classic reaction-time experiments, a person is asked to respond as fast as possible to a stimulus — press a button the moment a light changes colour, say. Push people to go faster, and errors climb. Ask for fewer errors, and responses slow down. This is the speed–accuracy trade-off, one of the oldest and most replicated findings in decision-making research, and it shows up well beyond the lab — in aviation human factors, in sports psychology, in any task where a decision has to be made under time pressure.
It also shows up, unexamined, in pre-employment screening.
A support-worker vacancy in a disability service has been open for three weeks. There’s a roster gap this Thursday. The recruitment manager is choosing between a face-to-face functional assessment that takes a week or longer to book, or a paper-based check that takes a day and tells them almost nothing about whether the person can actually do the job safely. That’s the speed–accuracy trade-off, dressed up as a scheduling problem. Recruiters in high-turnover sectors live with that choice every week, and most have simply accepted it as the cost of doing business.
The trade-off only holds under one condition
The speed–accuracy trade-off is real, but it depends on a specific assumption: that the quality of the decision-making process itself is fixed, and only the time allotted to it changes. Give the same decision-maker better information architecture — a smarter first pass, clearer signal, less noise — and the whole curve shifts outward. Faster and more accurate, not one traded for the other. This is the same logic behind structured recruiting: it isn’t that structure makes recruitment slower or faster, it’s that it changes what the process is capable of at any given speed.
A videocall-first triage model applies that logic to functional assessment. Most candidates in manual-handling-heavy roles don’t need a face-to-face assessment to be cleared with confidence — the signal is clear early, from a health questionnaire and an experienced health professional observing their movement in structured exercises by video call.
What genuinely needs a closer look is determined with the triage call. The assessment isn’t compromised; the assessor’s skills are engaged to determine who should escalate to a more thorough (and time consuming) face to face. Assessment quality isn’t diminished, face to face assessment is more appropriately preserved for the minority who actually warrant it.
The corner that’s actually being cut
There’s a common objection to this; that faster means less rigorous, that if the process is easier it must be cutting a corner somewhere. It’s a reasonable instinct from anyone who’s seen a bad-fit placement come through a rushed process. But it aims at the wrong target. The corner being cut in the traditional model isn’t rigour. What gets cut is time to clarity.
For example, there is a reason we don’t send pre-employment candidates for an MRI, it is unnecessarily expensive and excessive. The same argument applies to the video call triage model, face to face is unnecessarily expensive and time consuming if applied to all candidates. Let’s save it for the few who require it.
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