Three root causes of impostor syndrome: external locus, eccentric competence, eclipsed self

Executive overview

Most people attribute impostor syndrome to low self-confidence or difficulty accepting praise, but the real drivers are structural patterns in how people relate to themselves and others. Dr. Grace Lee identifies three distinct root causes — all beginning with E — that explain why the syndrome persists even as skills and achievements grow.

Impostor syndrome is not a feeling of fraud but a belief in lies about yourself that contradict your actual evidence.

Understanding these root causes enables targeted action: shifting ownership of your narrative, recalibrating competence standards, and restoring authentic self-expression.

External locus of operating

• An external locus means handing the steering wheel of your life to circumstances, luck, or other people's expectations.
• When you adopt someone else's values as your own, your self-worth becomes defined by their standards rather than yours.
• The tell-tale thought pattern is "I should be more like them" or "I wish I had what they have."
• Dr. Lee's PhD supervisor told her writing wasn't in her future; she believed it, crushing her sense of possibility — a classic external locus moment.
• Impostor syndrome does not always feel like fraud; it can manifest as any number of distorted beliefs driven by external influence.
• Reclaiming an internal locus means recognising your outcomes as the product of your own choices and capabilities, not external forces.

Eccentric perception of competence

• "Eccentric" means off-centre: your view of what competence looks like has been pulled away from a realistic centre by an outside source.
• The first path to distress: competence is framed with "always" or "never" language, creating an unattainable standard no human can consistently meet.
• Examples include "you must always have the right answers" or "you should never be late" — absolutes that guarantee failure.
• The second path to distress: the standard is legitimate, but you have not yet developed the skillset to meet it.
• This second type is actually useful feedback — it pinpoints exactly where professional development should focus.
• Sitting with unresolved impostor syndrome produces internal conflict between the desire to grow and the fear of being underprepared.
• That conflict generates distress rather than eustress, and distress compounds over time if left unaddressed.
• The practical response is to uplevel skillset, mindset, and toolset rather than waiting until you feel "100% ready."

Eclipsed self congruence

• Congruence is the alignment between who you truly are and how you act; an eclipse blocks that alignment.
• Acts of commission: doing something that contradicts your authentic values — for example, exaggerating results to win a client.
• Acts of omission: failing to act when your authentic self knows you should — for example, staying silent in a meeting when you have a valuable idea.
• Both types of eclipse produce the same result: your true self is obscured, and impostor syndrome symptoms follow.
• Omissions are as damaging as commissions; the opportunity missed to express yourself is just as identity-distorting as an action taken out of character.
• Restoring congruence requires both stopping incongruent actions and starting the authentic ones you have been suppressing.

Reframing impostor syndrome

• Impostor syndrome is not evidence of unworthiness; it is evidence that you are capable of more than your current circumstances reflect.
• The feeling is a signal — either that a standard is unrealistic, or that genuine skill development is needed.
• Identifying which of the three root causes is active allows for a specific, targeted response rather than generic confidence-building.
• Addressing the root cause — rather than the symptom — is what eliminates impostor syndrome durably.