People Management & Operations
Half the people watching the Invisible Gorilla experiment never notice the gorilla — because they are busy counting passes. The same blind spot affects how most organisations set goals and measure performance.
In 1999, psychologists Christopher Chabris and Daniel Simons constructed a now-famous experiment. They filmed two teams passing a basketball — one team in white shirts, one in black — and asked viewers to count the number of passes made by the white team. Halfway through the video, a person wearing a gorilla suit walked onto the court, stopped in the centre, beat their chest, and walked off. The gorilla was visible for nine full seconds.
Around half of all viewers never noticed it.
They were not inattentive. They were doing precisely what they had been asked to do. The act of focused counting consumed their attention so completely that they became blind to everything outside its narrow scope — including something as conspicuous as a gorilla. The researchers called this phenomenon inattentional blindness: the failure to notice an unexpected stimulus when attention is engaged elsewhere.
The experiment was repeated without the counting instruction. With no specific task to focus on, virtually every viewer saw the gorilla immediately.
The gorilla experiment has an uncomfortable implication for how most organisations set goals and measure performance.
When a team is given a specific, narrow KPI to hit — average handle time, leads generated, tickets resolved — they focus on that number the way the experiment participants focused on the passes. They get better at counting. They often hit the target. And along the way, they may become systematically blind to the things that are not being measured.
The customer support agent focused on handle time stops listening carefully. The sales representative chasing call volume stops qualifying properly. The operations team hitting their SLA percentage stops noticing that the same underlying issues generate repeat contacts. Everyone is counting passes. No one sees the gorilla.
In practice, inattentional blindness in business shows up in recognisable patterns:
The solution is not to remove measurement — it is to design a goals framework that keeps people's attention wide enough to notice what matters, not just what is being counted.
The more metrics a person tracks simultaneously, the more their attention is split and the narrower the focus on each becomes. Three to five meaningful indicators per role or team is almost always more effective than twelve. Forcing the question — if you could only measure one thing, what would it be? — is a useful discipline.
Pair operational metrics (handle time, response rate, conversion) with outcome indicators that capture the bigger picture (customer satisfaction, renewal rate, team capability score). The narrow metrics drive efficiency; the outcome indicators create accountability for what the efficiency is supposed to produce.
Schedule time — in team meetings, in one-to-ones, in retrospectives — where the question is explicitly: "what is happening that we are not measuring?" This is where the gorillas get surfaced. Without this space, inattentional blindness becomes structural.
When individuals have a role in defining what success looks like for them within a broader organisational goal, they are more likely to bring their full attention to the work — rather than their narrowest attention to the metric. This is not about softening accountability. It is about broadening what people feel accountable for.
When the gorilla experiment participants were told about the gorilla and shown the video again, they found it immediately — and were astonished that they had missed it. The gorilla had been there all along. They simply had not been looking for it.
Most organisations have gorillas in their operations right now. Structural inefficiencies that everyone on the frontline can see. Customer friction points that do not show up in the metrics. Team dynamics that are eroding performance in ways no dashboard captures. The question is whether your goals and measurement framework is helping people see them — or training them to look the other way.
Book a 60-minute session and we work through your specific goals framework — what to keep, what to change, and what you might be missing.