SPeCtrum shows that short personal essays (life context) are the most powerful identity signal for LLM personas of fictional characters, but real people rate a persona built from all three layers as most authentic.
Assertiveness and energy enable leadership, though limited sociability may narrow 13 their social engagements
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SPeCtrum: A Grounded Framework for Multidimensional Identity Representation in LLM-Based Agent
SPeCtrum shows that short personal essays (life context) are the most powerful identity signal for LLM personas of fictional characters, but real people rate a persona built from all three layers as most authentic.