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The Six Things I Am Not Allowed to Tell You About Imposter Syndrome
Every time we build a sprint, one of the documents that comes out of the research stage is a list of claims we are not allowed to make.
It sits at the end of the research foundation under a heading that says watch-outs. It exists because the popular version of a topic and the evidenced version are usually different, and the popular version is always, always more quotable.
For imposter syndrome the list ran to six.
I want to be upfront about how that fortnight went. I went in expecting to confirm what I already believed, the way you go to the doctor expecting to be told it is nothing. Six of the things I had said out loud, in rooms, to people who were paying me, turned out not to be supported by the evidence.
So here they are, along with what the research actually says instead. If you have built a talk, a workshop or a reasonably successful LinkedIn presence on any of these, brace yourself.
What you will get out of this
The six most repeated claims about imposter syndrome, and why the evidence does not support any of them
Where the famous seventy per cent figure actually came from, which is not a study
The finding that explains why "believe in yourself more" cannot work, mechanically
What genuinely reduces it, graded honestly by how strong the evidence is
What to do if you manage somebody who has it
A free two-page evidence file template, because reading about this will not shift it
One. That seventy per cent of people experience it
You have seen this number. It is in the articles, the conference slides, the training decks and a great many published books.
No study supports it.
It traces back to a book estimate from the 1980s and a magazine article from 2007, and it has been repeated so many times that it now appears in serious publications with no citation whatsoever, because everybody assumes somebody else checked. Nobody checked. We have all been standing in a circle nodding solemnly at a number somebody guessed during the Thatcher government.
The real picture is messier and considerably more interesting.
The landmark systematic review, sixty-two studies and 14,161 people, found prevalence anywhere between nine and eighty-two per cent depending entirely on which questionnaire was used and where the cutoff was drawn. That is not a range. That is a flashing red light about the measurement instrument.
A more recent meta-analysis pooled thirty studies and 11,483 people and landed on sixty-two per cent, with the heterogeneity you would expect and a clear pattern where the larger studies find lower numbers.
So the defensible version is somewhere between half and two thirds of high achievers, depending how you count. Still an enormous number of people. Still means you are the norm rather than the exception. And it has the significant advantage of being true, which matters the first time somebody in the audience is a clinician who has read the review.
Two. That it is a women's issue
Of thirty-three studies comparing men and women, sixteen found women scoring higher and seventeen found no difference at all.
That is a coin flip. That is genuinely as close to a coin flip as this literature ever gets.
Where a gap does appear meta-analytically it is small, and it is carried by self-esteem and neuroticism rather than by gender itself, which is a different claim entirely.
Men have it. Men talk about it less, which makes it look like a women's problem, which makes it harder for the next man to mention it, which keeps the numbers looking exactly the way they look. It is a very tidy loop and it does real damage, because the man in your team who is quietly convinced he has fooled everybody has been told repeatedly that this is not his experience to be having.
Three. That it is a syndrome
It appears in no diagnostic manual. The researchers who have spent entire careers on it argue that it never should.
The word does something quiet and unhelpful. It moves the pattern from something you are doing to something you have. Once it is a syndrome, it belongs to you, and the room you are standing in has nothing at all to answer for.
It shows up in samples across forty-one countries, in elite neurosurgeons at over eighty per cent, in trainee psychologists, and in recent work in children as young as eight. That is not a disorder distributed through a population. That is an extremely common way of thinking under particular conditions, and eight-year-olds are not being underdiagnosed, they are being schooled.
The preferred terms in the literature are impostor phenomenon or the impostor pattern. I have kept the colloquial word in the title of this piece because that is what people type into Google, which is itself a rather neat illustration of how the folklore keeps itself alive.
Four. That we can fix it
As of 2018 there were no treatment trials at all. None. Roughly five intervention studies exist since then, and the umbrella review rates the evidence base as weak.
That is worth sitting with for a second, given the size of the industry that has grown up around it. An entire market of courses, coaches, keynotes and workbooks, built on top of a phenomenon nobody had properly tested how to treat.
Here is what does have support, graded honestly.
Approach | Strength of evidence | What it actually involves |
Coaching | Best supported of the intervention classes | A randomised controlled trial of online group coaching reduced impostor scores and increased self-compassion. An umbrella review names it the strongest option available, which is a low bar honestly stated |
Group formats | Reasonably supported | Isolation and rumination explain around a quarter of the variance. The strongest protective factor is knowing other people feel it too |
Group CBT | Supported over eight weeks | Reduced depression, anxiety and perfectionism, with gains still present at three-month follow-up |
Self-compassion training | Promising | A brief four-week intervention with 227 participants reduced impostor feelings and maladaptive perfectionism |
Psychoeducation alone | Explicitly not sufficient | Learning about the pattern does not shift the pattern |
That last row is the one that ought to worry anybody selling a course on this subject, very much including me.
It is why, when I came to build a course on this, I built it around exercises that make you produce something rather than sessions that explain something at you. It is also why this article, on its own, will do approximately nothing for you. You are welcome.
Five. That minoritised groups inherently have more of it
This one is a citation error. It propagated through the literature and out into the trade press, where it now gets stated as established fact by people who have every reason to believe it is one.
The accurate version is contextual rather than inherent. Feenstra and colleagues showed that being under-represented in a room, being asked for your view less often, being included less, and receiving fewer of the small signals that say you belong will generate impostor feelings in people with nothing whatsoever wrong with their confidence.
The distinction is not academic. If the cause is inherent, the intervention points at the person. If the cause is contextual, the intervention points at the room, and the person was responding entirely sensibly to the information available to them.
Six. That it is all in your head
Which follows directly from five, and is the one I would least like to leave out.
Individual tools help. They are not the whole answer, and anybody offering you a mindset fix for a structural problem is selling you something.
Some impostor feeling is a completely reasonable response to the room you are standing in. If you are the only person in the meeting without a particular credential, and nobody has asked your opinion in six weeks, your discomfort is not a distortion. It is data about the meeting.
What I am allowed to say
Six things I cannot claim still leaves a great deal standing, and what stands is considerably more useful than what does not.
Your feelings were never the data
This is the finding that does the most work, and it is precisely why the confidence framing fails.
Impostor scores correlate essentially zero with actual performance. Minus point zero four with grade point average in one study, on a scale where one would mean the two move in perfect lockstep and zero means no relationship at all. No relationship at all with grades in another.
Sit with that, because the implication is stronger than it first appears. The feeling is not a slightly miscalibrated signal about your competence that you need to recalibrate. It is not a signal about your competence at all.
Which is exactly why "believe in yourself more" cannot function as an instruction. You are not being asked to fix a faulty gauge. You are being asked to stop consulting a gauge that was never wired to anything in the first place.
And the relationship runs the opposite way to intuition. High performers systematically underestimate themselves while low performers overestimate. So "if I were any good at this I would feel confident" gets it precisely backwards, and the most serenely confident person in your organisation is not, statistically speaking, the one you should be following into a burning building.
Success is a trigger, not a refutation
Awards, promotions and public recognition consistently make impostor feelings worse rather than better.
Interviews with ninety doctoral students found it. Interviews with fifty-six faculty found the feelings persisting after tenure, which is about as unambiguous a marker of professional arrival as a career offers. Workplace research finds role transitions and new visibility producing it reliably.
So feeling like a fraud in the fortnight after a promotion is the pattern running exactly as documented. It is not new information about whether the promotion was a mistake. It is the single most predictable moment for the feeling to arrive, and it arrives more or less on schedule.
There is a specific danger zone worth naming, because it describes a particular career move rather than a general risk. Symptoms worsen when responsibility increases while supervision decreases.
That is a fairly exact description of moving from a structured support role into a strategic one, where suddenly nobody is checking your work and the scope of what you own has quietly doubled without anybody mentioning it. Predictable, and therefore preparable. If you are about to make that move, the spike is coming. Knowing it is coming is most of the defence.
It is not your standards, it is your worry
There is a persistent piece of advice that tells high achievers to lower their standards. I have never liked it and the evidence does not support it.
Pannhausen and colleagues separated two components of perfectionism. Perfectionistic concerns, meaning fear of mistakes and doubt about your own actions, explained nearly half the variance in impostor feelings. Perfectionistic strivings, meaning the high standards themselves, explained none. Once concerns were controlled for, personal standards actually predicted slightly lower impostor feelings.
You are allowed to want the thing done properly. You do not have to become someone who does not care in order to stop feeling like a fraud. The part costing you is the fear of getting it wrong, and the two are separable in a way most advice flatly refuses to acknowledge.
The cost is behavioural, and it is expensive
Impostor feelings roughly quadruple the odds of burnout, with a dose-response pattern where more intense feelings carry more risk. They are linked to lower job satisfaction, reduced motivation to lead, less career planning and lower career adaptability.
But the damage happens through behaviour, not feeling. Ideas withheld in meetings. Projects avoided. Help not asked for in case asking exposes you.
Among experienced healthcare educators, the single most-endorsed item on the entire scale was hesitating to tell anyone about a promotion until it was an accomplished fact. People who had been promoted. Sitting on it. In case it came off.
And then there is sandbagging. Impostor scores correlate at point seven three with strategically talking down your own abilities in order to lower other people's expectations. That is a very large correlation for anything in psychology, and it compounds, because it trains the room to underrate you whether or not you believe a word of what you are saying.
Worth knowing: not everyone doing this is suffering. Among high scorers, roughly half were what researchers call strategic impostors, deploying modesty tactically without any anxiety or strain whatsoever. Telling which one you are is most of the skill. Retiring the habit where it has stopped paying is most of the work.
Other people genuinely cannot see it
Tewfik's work found that colleagues rate people with impostor thoughts as more interpersonally effective, apparently because self-doubt produces an other-focused attention that reads to everybody else as warmth and care.
The gap between your internal report and the external one is wider than you think, and it is in your favour.
I am not offering that as reassurance, because reassurance has an appalling track record here. Positive feedback is systematically discounted by people in this pattern, which is exactly why being told you are doing well does not stick and why your manager saying "you're doing great" bounces straight off. I am offering it as information about the size of the discrepancy.
And the direction of travel is good
Leadership roles are associated with roughly half the odds of impostor feelings, in a study of 2,183 physicians. The feeling declines with seniority across several studies. Eighty-eight per cent of neurosurgery residents against sixty-three per cent of consultants tells its own story.
Taking up space erodes it. Hiding preserves it.
That is an uncomfortable finding if your instinct is to wait until you feel ready, because the evidence says the feeling follows the behaviour rather than the other way round, and waiting is the one strategy guaranteed not to work.
What to actually do
Since psychoeducation alone is not sufficient, and since I have spent three thousand words providing psychoeducation, here is the smallest set of things with evidence behind them.
Keep an evidence file. Feedback is systematically discounted in memory, so it has to be written at the time. Four columns: what happened, what you did, what resulted, what was said. Dated. Verbatim on the last one.
You will remember the thing that went wrong in March with perfect fidelity and you will have entirely lost the sentence somebody said in June about the paper you rewrote. The file is the only counterweight that survives contact with a bad Tuesday.
Benchmark against a standard, not against people. Peer comparison is one of five documented triggers, alongside formal evaluation, public recognition, anticipatory fear of not knowing enough, and perceived lack of competence. Ask whether the work met the brief, not whether somebody else would have done it faster.
Find one group. Given that the strongest protective factor is knowing other people feel it too, this is the single highest-leverage action available. It does not have to be formal, or expensive, or called anything.
Retire one sandbagging phrase. Pick the thing you say before you present. "This is probably obvious, but." "You've all thought of this already." Take it out and say the sentence plainly instead. It is a trainable micro-skill and it changes how a room codes you within about a month.
Download: The Evidence File
Two sides of A4, because psychoeducation alone is not sufficient and reading this article was psychoeducation.
What is inside | Why it is there |
A four-column dated ledger | Because feedback is discounted in memory and the version you remember has already shrunk |
A quarterly translation grid | Because "I did a good job" is not a unit your organisation uses to talk about value |
The sandbagging audit, six phrases | Because impostor scores correlate at .73 with talking yourself down, and you probably said one of these this week |
Free, no email wall, nothing to sign up for. Start it this week, because the thing somebody said to you on Thursday is already fading.
If you manage somebody who has this
Three things, in order of usefulness.
Give feedback in writing as well as in person. The spoken version gets discounted. The written version can be re-read on a bad day, which is the only day it matters.
Name the transition risk before it happens. If you are promoting somebody, tell them the fortnight afterwards will feel worse rather than better, and that this is documented and normal. That single sentence saves people months of quietly concluding they have been found out.
Look at the room. If one person in your team is showing this and four are not, look at the person. If it is widespread, look at who gets asked for their view, who gets interrupted, and who finds out about decisions afterwards.
Frequently asked questions
Is imposter syndrome a mental health condition?
No. It appears in no diagnostic manual and the leading researchers argue that it should not. It commonly co-occurs with anxiety and depression, which are treatable, and if the feelings are persistent and disabling that is worth raising with a professional.
Where does the 70% statistic actually come from?
A book estimate from the 1980s and a magazine article from 2007. No primary study supports it. The defensible figures are the 9% to 82% range from the sixty-two study systematic review, or the 62% pooled prevalence from the more recent meta-analysis.
Do women really experience imposter syndrome more than men?
Of thirty-three comparative studies, sixteen found women higher and seventeen found no difference. Where a meta-analytic gap appears it is small and carried by self-esteem and neuroticism rather than gender itself.
Does imposter syndrome ever go away completely?
There is no evidence for a cure. It reliably reduces with seniority and experience, and it spikes at transitions. The target that came out of one successful workshop intervention is the right one: you can have an impostor moment without having an impostor life.
Is it different for Executive Assistants and Chiefs of Staff?
The literature sits mostly in medicine and academia, so the honest answer is that nobody has studied this population properly. What does transfer is the danger zone finding, and support-to-strategic moves sit squarely inside it.
Should I tell my manager?
That depends entirely on your manager, and anybody who answers that confidently without knowing them is guessing. What the evidence does support is telling peers, because common humanity is the active ingredient rather than sympathy from above.
Why does positive feedback never seem to help?
Because it is systematically discounted in memory by people in this pattern. It arrives, gets weighed against your own private assessment, and loses. Which is why the evidence file has to be written down rather than remembered.
What is the difference between imposter syndrome and low confidence?
Impostor scores correlate essentially zero with actual performance, which means the feeling is not a readout of competence at all. That is why confidence-building advice misses. You are not miscalibrated, you are consulting the wrong instrument.
Where to start
If you want to see the shape of your own contribution measured against something other than your mood on a given Tuesday, the Connected Leader Assessment is free and takes about twelve minutes. It measures capability across five dimensions rather than personality, and it makes a rather good first entry in an evidence file.
If the visibility side is the bit you recognised, the Irreplaceable Audit maps where your value actually sits across four kinds of work.
And if you have read this far while quietly assuming you are the exception, that everybody else is fine and you are the genuine fraud in the group: that is the pattern. It is doing exactly what it says on the tin.
Meg ✌️
The five triggers, and what each one needs
The research names five situations that reliably set the pattern running. Knowing which one you are in changes what actually helps, which is more useful than a general instruction to be kinder to yourself.
Trigger | What it feels like | What helps |
Peer comparison | Everyone else seems to find this easier | Benchmark against the brief, not the room. Ask whether the work met the standard, not whether somebody would have done it faster |
Formal evaluation | Appraisals, assessments, anything scored | Bring the evidence file. You are not arguing from memory against somebody else's memory |
Public recognition | Awards, promotions, being named in front of people | Expect the spike. It is documented and it passes |
Anticipatory fear of not knowing | Walking into a room where you might be asked something | Prepare the two questions you most dread and answer them on paper. The dread is usually broader than the actual gap |
Perceived lack of competence | A genuine skill you do not yet have | This one is real information. Go and learn the thing. Not everything is a distortion |
That last row matters and gets left out of most articles on this subject. Sometimes the feeling is not a pattern. Sometimes you have been asked to do something you have not learned yet, and the correct response is a course rather than a reframe. Being able to tell the difference is a skill in itself, and the evidence file is what lets you tell.
What it costs an organisation
Most of the writing on this treats it as a private problem, which is convenient for everybody except the organisation paying for it.
Impostor feelings are linked to reduced motivation to lead, which means your succession pipeline is quietly shorter than your org chart suggests. They are linked to withheld ideas in workgroups, which means you are paying for judgement you are not receiving. They roughly quadruple the odds of burnout, which has a number attached to it that any finance director would find interesting.
And they stop people pursuing further study, harder assignments and new roles, which compounds across a career in a way that is almost impossible to see from inside a single year but very visible across five.
If you are building a case for development budget, that is the paragraph to use. Not the feelings. The withheld ideas and the shortened pipeline.
Free tools
The Connected Leader Assessment, five capability dimensions, twelve minutes, free
The Irreplaceable Audit, forty-eight activities across four kinds of work, free
Skill Sprints, one topic built properly, one to two hours
P.S. Want to Go Deeper on the Imposter Pattern?
If this resonated and you want to go further, here is the evidence the piece is built on. These are the papers that shaped my thinking on the impostor phenomenon, what it costs and what actually shifts it, and they are well worth your time.
Every DOI below has been checked. Where a popular claim did not survive that check, I have said so in the piece rather than quietly leaving it out.
📃 Bravata and colleagues (2020) The landmark systematic review, sixty-two studies and 14,161 participants, finding prevalence from nine to eighty-two per cent depending on the instrument. https://doi.org/10.1007/s11606-019-05364-1
📃 Salari and colleagues (2025) Meta-analysis of thirty studies and 11,483 people, pooled prevalence sixty-two per cent. https://doi.org/10.1186/s40359-025-02898-4
📃 Cokley, Bernard, Stone-Sabali and Awad (2024) Why impostor phenomenon is not a diagnosis, and the citation error behind claims about minoritised groups. https://doi.org/10.1146/annurev-clinpsy-081122-015724
📃 Feenstra, Begeny, Ryan, Rink, Stoker and Jordan (2020) Contextualising the imposter "syndrome", and how environments generate the feeling from the outside in. https://doi.org/10.3389/fpsyg.2020.575024
📃 Fleischhauer, Wossidlo, Michael and Enge (2021) Gender differences, and the point seven three correlation with talking down your own abilities. https://doi.org/10.3389/fpsyg.2021.764030
📃 Pannhausen, Klug and Rohrmann (2022) Perfectionistic concerns predict impostor feelings; perfectionistic strivings do not. https://doi.org/10.1007/s12144-020-00613-7
📃 Gullifor, Gardner, Karam, Noghani and Cogliser (2023) Systematic evidence-based review of the impostor phenomenon at work. https://doi.org/10.1002/job.2733
📃 Tewfik (2022) Colleagues rate people with impostor thoughts as more interpersonally effective. https://doi.org/10.5465/amj.2020.1627
📃 Iwai and colleagues (2023) Leadership roles associated with roughly half the odds of impostor feelings across 2,183 physicians. https://doi.org/10.1097/XCS.0000000000000788
📃 Zaed and colleagues (2022) Prevalence among neurosurgeons, and the decline with seniority. https://doi.org/10.3171/2022.4.FOCUS2216
📃 Leonhardt, Bechtoldt and Rohrmann (2017) Distinguishing genuine distress from strategic modesty among high scorers. https://doi.org/10.3389/fpsyg.2017.01505
📃 Rohrmann, Bechtoldt and Leonhardt (2016) Impostor feelings do not prevent attaining success, only enjoying and asserting it. https://doi.org/10.3389/fpsyg.2016.00821
P.P.S. Why Do I Even Have the Nerve to Write This?
Fair question.
I am someone who has spent years working alongside remarkable executives, navigating chaos, translating vision into structure and figuring things out, sometimes beautifully and sometimes the very hard way. I have had the privilege of being the steady right hand to leaders who move fast, take risks and expect a lot. That environment has shaped me more than any classroom ever could.
I also happen to have an MBA, and I am studying psychology because people fascinate me. How we work. Why we disconnect. What actually holds us together when the pressure rises.
But really, none of that is the point.
I am here because I have lived the erosion and rebuilt from it. I have seen the cost of carrying too much and the relief that arrives when you finally stop disappearing inside your own competence.
So I share what I have learned in case it helps someone else. Take what is useful. Leave the rest. And remember this one truth that professionals like you often forget:
You are probably doing far better than you give yourself credit for.
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