Large Language Models Are As Persuasive As Humans, But How? About The Cognitive Effort And Moral-emotional Language Of LLM Arguments

Abstract

Large Language Models (LLMs) are already as persuasive as humans. However, we know very little about how they do it. This paper investigates the persuasion strategies of LLMs, comparing them with human-generated arguments. Using a dataset of 1,251 participants in an experiment, we analyze the persuasion strategies of LLM-generated and human-generated arguments using measures of cognitive effort (l