Story perspectives

Study Links Signature Size to Narcissism and Donations

10/31/2025

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Summary

Story summary

Researchers find that signature size correlates with personality traits, especially narcissism and self-esteem.
A 1967 study by a social psychologist showed faculty members used larger signatures than students.
Recent studies, including one published in the Journal of Philanthropy, show larger signatures can increase donation amounts.
The topic resurfaces as findings link signature size to narcissism in CEOs worldwide.
U.S. President Donald Trump’s large signature has drawn attention.

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Story summary

Researchers find that signature size correlates with personality traits, especially narcissism and self-esteem.
A 1967 study by a social psychologist showed faculty members used larger signatures than students.
Recent studies, including one published in the Journal of Philanthropy, show larger signatures can increase donation amounts.
The topic resurfaces as findings link signature size to narcissism in CEOs worldwide.
U.S. President Donald Trump’s large signature has drawn attention.