Feeling you're about to be exposed as a fraud is surprisingly common.
In 1978 Pauline Clance and Suzanne Imes described the impostor phenomenon in 150 successful women: they credited their achievements to luck or deception despite degrees and awards. A 2020 review of 62 studies found 9 to 82 percent affected depending on the group, men included. It isn't a diagnosis but a thinking pattern: success gets discounted, mistakes get magnified.
Useful: When everyone around you seems more competent, remember you see their outside and your inside.
Source: doi.org