What Is Imposter Syndrome? Feeling Like a Fraud When the Evidence Says Otherwise

The psychologists Pauline Clance and Suzanne Imes coined the term in a 1978 paper after noticing a pattern among the high-achieving women they saw in therapy and taught at university. Despite degrees, honours and professional recognition, the women did not experience themselves as successful. They attributed good results to effort, timing or the low standards of whoever had judged them, and lived in fear of being exposed as less able than they seemed. Clance and Imes called it the imposter phenomenon, and the word phenomenon was deliberate; they were describing an experience, not a disorder.

The original paper suggested it was mostly a women's problem, shaped by families and a society that did not expect women to succeed. Later research overturned that part. Men report it at similar rates, and so do people in every field studied, from medicine and engineering to the arts. What the original paper did get right was the shape of the thing, which has held up in dozens of studies since.

The pattern is a cycle. Faced with a task, the person either over-prepares out of fear or puts it off until the last moment out of dread. The task then goes well. But the success is explained away: if they over-prepared, it was only because they worked so hard, and a competent person would not have needed to; if they procrastinated, it was luck, and next time it will run out. Either way the evidence of ability is discounted, and the next task starts from the same fear.

Two features of the reasoning make it hard to escape. It is unfalsifiable from inside, because every success can be reattributed to something other than skill. And it treats the feeling of confidence as the test of competence, when the two are only loosely related. Many people who are highly competent do not feel confident, and the feeling of being a fraud is not evidence of being one.

Surveys find that somewhere between a half and four fifths of people have felt it at some point, and it peaks at transitions: starting a new job, a promotion, the first year of a degree, becoming a parent. It is common among high achievers precisely because they are surrounded by other high achievers and measure themselves against the best in the room. It is more common among people who are visibly different from their colleagues, whether by gender, race, class or background, and there the feeling has an external source: an environment that signals someone does not belong is likely to produce the belief that they do not.

That observation has led some researchers to argue that the label puts the problem in the wrong place. A 2021 article in the Harvard Business Review argued that calling the response of women and minorities to unwelcoming workplaces a syndrome makes it their fault, when the fix is the workplace. Both things can be true: some of the feeling comes from the situation and some from the way a person interprets it, and the two need different remedies.

The most consistent finding is that saying it out loud dissolves some of it. The feeling depends on the belief that one is uniquely fraudulent, and discovering that the respected colleague across the corridor has it too breaks that belief. Mentoring programmes and peer groups that make the admission normal have measurable effects. Beyond that, the approaches that work are the ones cognitive therapy uses for any distorted belief:

• •Keep a written record of achievements and feedback, and read it when the feeling is strong
• •Separate feelings from facts: I feel like a fraud is a feeling, not a finding
• •Notice the reattribution as it happens, and ask what you would say to a friend with the same result
• •Accept praise with thank you rather than an explanation of why it is undeserved
• •Treat competence as something that grows rather than a fixed quantity you either have or lack

It is worth noticing what the feeling is not. Doubting oneself at a new job is realistic; a person who has never done the job is not yet good at it, and the discomfort is information. The imposter pattern is different because it persists after the evidence has come in and refuses to update. It also has an odd relationship with the Dunning-Kruger effect, in which people with the least skill are the most confident: the two together suggest that the people most worried about being frauds are, on average, the ones who least need to be, because worrying about it requires knowing what good work looks like.

Imposter syndrome is the persistent, evidence-resistant belief that one's success is undeserved and will be exposed, first described in 1978 and found since in most people at some point, especially at transitions and in environments where they feel out of place. It runs on a cycle of over-preparing or procrastinating and then discounting the result, and it loosens most when it is said aloud and answered with a record of the facts.