>"However, he warns that attempts to assess someone's personality from their voice—or even their facial expressions—is fraught with ethical and accuracy issues.

>"However, he warns that attempts to assess someone's personality from their voice—or even their facial expressions—is fraught with ethical and accuracy issues. "Even though there are physiological signals, it's quite possible that the way we interpret them is very culturally biased," he said." A relevant article on this which talks about some of the evidence for cultural specific interpretations balanced against existing evidence for their universality: Do Feelings Look the Same in Every Human Face? (https://greatergood.berkeley.edu/article/item/do_feelings_look_the_same_in_every_human_face https://greatergood.berkeley.edu/article/item/do_feelings_lo...) Some additional sources as well: - Misinterpretation of facial expression: a cross-cultural study (https://pubmed.ncbi.nlm.nih.gov/10201283/ https://pubmed.ncbi.nlm.nih.gov/10201283/) - Perception of Facial Expressions Differs Across Cultures (https://www.apa.org/news/press/releases/2011/09/facial-expressions https://www.apa.org/news/press/releases/2011/09/facial-expre...) - Are Facial Expressions the Same Around the World? (https://greatergood.berkeley.edu/article/item/are_facial_expressions_the_same_around_the_world https://greatergood.berkeley.edu/article/item/are_facial_exp...)