You got the job, the grade, the promotion. The feeling did not move. Here is the reason achievement is such poor evidence against it.
You find out you got it. For about four hours it feels good. Then the recalculation starts. The pool was weak this year. They were in a hurry. Somebody put in a word. By the end of the week you have built a complete account of your own success in which you barely appear, and you are already braced for the next thing, when they will surely notice.
What is strange about this is not the self-doubt. It is that the evidence keeps arriving and never lands.
It describes a specific mismatch: you are doing well by any outside measure and you cannot take the success as yours. The psychologists Pauline Clance and Suzanne Imes named it in 1978 after noticing the pattern in high-achieving women they saw in therapy, and Clance later described it as an internal experience of intellectual phoniness. The worry is not that you will fail. It is that you will be found out.
Worth saying plainly, because almost nothing online says it: imposter syndrome is not a diagnosis. A systematic review by Bravata and colleagues in 2020 confirms it appears in neither the DSM nor the ICD-10. Nobody can be diagnosed with it, and no treatment has been tested for it. That does not make the experience less real. It means the research sits in nearby places, which is where the useful findings are.
This is the part that explains the strangeness. Clance described the whole thing as a cycle, and the hinge is what happens at the end of a task rather than the beginning.
A piece of work lands on you. Anxiety arrives, and it goes one of two ways. Some people over-prepare enormously. Others put it off, then work in a frantic burst. Either route usually produces a decent result, and there is a short window of relief. Then the result has to be explained, and here the accounting goes wrong in a way that is almost tidy. If you over-prepared, you credit the preparation. If you scrambled, you credit luck. Neither explanation includes ability.
So the ledger never balances. Twenty years of work can go by and the ability column stays empty, because every entry got filed under effort or circumstance on the day it happened. Research summarized by Sakulku and Alexander in 2011 found that people high in imposter feelings attribute success to external factors more than others do, and that this is not modesty. They mean it.
There is a second turn of the screw. Clance observed that repeated success can deepen the sense of fraudulence rather than easing it, because each success raises what you now have to live up to, and any gap between your performance and your own standard gets read as the gap about to be discovered. More achievement means more surface area. This is why "look at your resume" is such a thin piece of advice. The resume is not the problem. The reading of it is.
You will see a figure like 70 percent quoted everywhere. Be careful with it. The Bravata review pooled 62 studies covering 14,161 participants and found reported rates ranging from 9 to 82 percent, with the spread driven mostly by which questionnaire was used and where the cutoff was drawn. The honest version is that imposter feelings are common and that nobody can tell you how common with any precision.
Two other findings from that review are worth having. Of 33 comparisons between men and women, 16 found women reporting higher rates and 17 found no difference, so the reviewers concluded it clearly affects men as well. And prevalence was high among people from ethnic minority groups, though the reviewers note the measures were standardized largely on White samples, so read that with the caution they attach to it.
The same review found imposter feelings often appear alongside depression and anxiety, and associated with low self-esteem, perfectionism, pessimism and low social support. Among employees, fear of failure and fear of success both showed up, and there were links to job satisfaction and burnout.
These are associations from mostly cross-sectional surveys, which means they travel together rather than one causing the other. Still, the practical read is useful: if the feeling comes with exhaustion, or with a sense that doing everything right still does not feel like enough, those are related threads rather than separate problems. When Doing Everything Right Still Doesn't Feel Like Enough picks up that side of it, and The Perfectionism Trap covers the standard-setting that feeds it.
Since no trial has been run on imposter syndrome by name, anyone promising a method for it is ahead of the evidence. What the research does point at is the attribution step, because that is where the cycle actually breaks down, and it is a step you can catch.
One thing to try, which takes a minute and is less twee than it sounds. After something goes reasonably well, write two lines. The first is what you specifically did, in verbs: noticed the error in the figures, rewrote the opening, stayed in the room when it got tense. The second is the explanation you reached for, in the words you actually used: they were desperate, I just worked harder than everyone. Writing them next to each other does not argue you out of anything, and it is not meant to. It makes visible that there were two separate events, the doing and the discounting, and that only one of them was about the work.
The other thing that helps is specificity about the standard. Much of what gets called imposter feeling turns out to be a comparison against an unnamed ideal performer who never has a bad meeting. Naming the standard out loud tends to shrink it, because stated plainly it is usually not a standard anyone meets.
And it helps to say the thing to someone. Low social support was one of the correlates in the review, which is unsurprising when you consider that the belief instructs you to keep quiet about it. Clance's own early clinical account, written with Matthews in 1985, recommended exactly that: validating the doubts rather than arguing with them, and working on them with other people rather than alone. It is the oldest suggestion in this literature and still the least followed.
If the gap between how you are doing and how you feel about how you are doing has stopped being a quirk and started costing you something, that is a reasonable thing to bring to therapy on its own. You do not need a diagnosis for it, and there is not one to get.
The Healing Effect works with clients across Arizona, in person and by telehealth for clients located in the state. You can read more about this kind of work on our life transitions page, or send us a message through our contact form.
One last thing about the ledger. People sometimes worry that crediting themselves properly will make them complacent, and that the doubt is what keeps the quality up. In the research, that trade has not held: in one study of students whose self-worth rested on academic performance, the extra studying was real and the grades were no better for it. The doubt was not the engine. It was the toll.
If the calm on the outside is costing you a lot on the inside, our care team can help you find a therapist who fits, at your pace.
Reach OutIt describes the experience of doing well by outside measures while being unable to accept the success as your own, along with a fear of being exposed as a fraud. Pauline Clance and Suzanne Imes named it in 1978, and Clance later described it as an internal experience of intellectual phoniness. It is a description rather than a clinical diagnosis.
No. A 2020 systematic review by Bravata and colleagues confirms it is absent from both the DSM and the ICD-10. Nobody can be diagnosed with imposter syndrome, and no study included in that review evaluated a treatment for it. The feelings are often linked to depression and anxiety, which are separate and well studied.
Because of how the success gets explained. Clance's model describes people crediting a good result to how hard they prepared, or to luck if they scrambled, rather than to ability. The evidence arrives and gets filed somewhere it cannot help. Clance also observed that each success raises the standard a person feels they must now meet, so more achievement can mean more exposure rather than less.
Common, but there is no reliable single figure. The 2020 review of 62 studies and 14,161 participants reported rates between 9 and 82 percent, with most of the variation coming from the measurement tool and the cutoff chosen rather than from real differences between groups.
No treatment has been trialed for imposter syndrome specifically, so no honest answer can promise a result. Therapy can work on what the research points at: how successes get explained, the standards being compared against, and the depression, anxiety and perfectionism that often come with it. Clance's own early clinical account recommended validating the doubts rather than arguing with them, and working on it with other people rather than alone.
The Healing Effect is not a crisis service. If you are in crisis or thinking about harming yourself, call or text 988 to reach the Suicide and Crisis Lifeline, available 24 hours a day, 7 days a week.
Sources:
Bravata DM, Watts SA, Keefer AL, et al. Prevalence, Predictors, and Treatment of Impostor Syndrome: a Systematic Review. Journal of General Internal Medicine. 2020;35(4):1252 to 1275 (62 studies, 14,161 participants; prevalence 9 to 82 percent; not recognized in the DSM or ICD-10; no included study evaluated a treatment).
Clance PR, Imes SA. The imposter phenomenon in high achieving women: Dynamics and therapeutic intervention. Psychotherapy: Theory, Research and Practice. 1978;15(3):241 to 247 (the original description). Read here through the peer-reviewed review below rather than at source, as the original is not openly available.
Sakulku J, Alexander J. The Impostor Phenomenon. International Journal of Behavioral Science. 2011;6(1):73 to 92 (the imposter cycle, Clance's six characteristics, and the external attribution findings).
Matthews G, Clance PR. Treatment of the impostor phenomenon in psychotherapy clients. Psychotherapy in Private Practice. 1985 (a qualitative account of 41 patients recommending validation of doubts and group work; no outcome data).
Crocker J, Luhtanen RK. Level of self-esteem and contingencies of self-worth: Unique effects on academic, social, and financial problems in college students. Personality and Social Psychology Bulletin. 2003 (students with academically contingent self-worth studied more, yet grade point average was unrelated to contingency).
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