Signature size and narcissism − a psychologist explains a long-ago discovery that helped establish the link

By: Richie Zweigenhaft, Guilford College, The Conversation

Outlets: The Conversation

Published: October 30, 2025

Words: 1,216

Last Updated: 3 weeks, 5 days ago

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By Richie Zweigenhaft, Guilford College

For years, Donald Trump’s distinctive, large and bold signature has captured the public’s attention. Not only did it recently come to light that his signature appeared in a book that Jeffrey Epstein received for his 50th birthday, but it fits neatly alongside Trump’s long history of brash self-adulation. “I love my signature, I really do,” he said in a Sept. 30, 2025, speech to military leaders. “Everyone loves my …

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