Imagine you’re in a meeting and someone asks a question. An answer comes to you almost right away, but you hold back, because saying it that quickly feels like you haven’t really thought it through. A minute later, a colleague offers the same answer after a long pause, and everyone in the room nods along.

Most people have had some version of this experience. Underneath it is a common belief that good thinking has to be slow and deliberate, so an answer that arrives quickly must be less reliable than one that took effort.

Research on how people reason suggests that belief is only partly right. Capable thinkers often reach the correct answer quickly, on their first attempt. What tends to set them apart is what they do next, which is to take a moment to check that first answer before relying on it.

In practice, this means treating your first answer as a reasonable starting point rather than something to dismiss, and giving it a quick, honest check before you commit to it.

Why A ‘Quick Thinking’ Habit Gets A Bad Rap

For decades, the main framework for understanding reasoning has been dual-process theory, which Daniel Kahneman brought to a wide audience with his description of “fast” and “slow” thinking. Fast thinking is quick and automatic, while slow thinking is effortful and deliberate. In this account, people reason well when their slow thinking notices a mistake made by their fast thinking and corrects it.

The standard example is a short riddle. A bat and a ball cost $1.10 together, and the bat costs $1 more than the ball. How much does the ball cost? Most people’s first answer is 10 cents, but the correct answer is 5 cents. According to the traditional view, getting it right requires you to stop, doubt your first answer and work through the math.

Slowing down does help many people avoid mistakes on problems like this one. Research over the past several years, however, suggests it isn’t the whole explanation.

What We Now Know About ‘Quick Thinking’ As A Habit

Cognitive psychologist Wim De Neys and his colleagues have studied this by asking people to answer reasoning problems twice. The first time, people have to respond quickly, under time pressure. The second time, they can take as long as they need. If good reasoning mostly came from correcting mistakes, the best reasoners would tend to get the first answer wrong and fix it on the second try.

That often isn’t what happened. A 2019 study published in Thinking & Reasoning found that many people who solved the bat-and-ball problem correctly had already given the right answer on their first, rushed attempt, and they used their extra time to confirm an answer they already had. A 2020 study published in Cognition suggests that people with greater cognitive ability are especially likely to reason this way, which is why the researchers described them as “smart intuitors.”

A likely reason is that ability and experience shape intuition over time. A 2025 study published in Thinking & Reasoning compared younger and older teenagers. It suggests that accurate first answers become more common with age, and that the link between intelligence and good intuition takes shape fairly late in development. Once someone has worked through similar problems many times, the underlying logic becomes familiar enough that their first impression already reflects it.

This Habit Is A 2-Step Process

None of this means intelligent people simply go with their first thought. The checking step is an essential part of the habit, because intuition can still be wrong, and a second look is how people catch those errors.

Taking time to think also seems to help people explain their reasoning. It’s possible to get an answer right without being able to say why, and deliberating helps people put that reasoning into words. In good reasoners, quick intuition and careful thought appear to work together rather than compete.

Why A ‘Quick Thinking’ Habit Deserves More Credit

A 2025 study published in Communications Psychology , from the same research group, found that people tend to rate slow, deliberate thinkers as smarter and more trustworthy than quick, intuitive ones, even when both are described as equally accurate. This preference seems to be automatic, because it shows up even when people have to make the judgment in a hurry.

This helps explain what happens in the meeting from the start of this article. The colleague who paused wasn’t necessarily reasoning any better than you were, but the pause made the answer look more considered, both to the room and to you. Holding back a quick answer for that reason can mean keeping good thinking to yourself.

What This Habit Doesn’t Mean

It’s worth being clear about the limits of this research. Most of it uses logic puzzles and reasoning problems that have a single correct answer, so it tells us less about personal decisions that involve values and uncertainty, like choosing a partner or a career.

Good intuitions also depend on experience. A quick answer in an area you know well is more likely to be right than a quick answer in an unfamiliar area, where it makes sense to be more cautious. This research also shouldn’t be read as support for impulsiveness. Acting on a first instinct without checking it is a different behavior, and it tends to lead to more mistakes. Psychologists are also still debating exactly how intuition and deliberate thought fit together.

With those limits in mind, the practical takeaway is straightforward. When an answer comes to mind quickly, it’s worth taking seriously rather than dismissing it out of habit. It’s then worth asking yourself whether it holds up and whether you could explain it to someone else. That combination of trusting a first answer and then checking it appears to be one of the most consistent habits that strong thinkers share.

Do you tend to trust your first answer out of habit, or talk yourself out of it? Find out how much you really rely on your gut with this science-backed test: Intuition Test