Animal preferences are thought to be linked with more salient psychological traits of people. Most research examining owner personality as a differentiating factor has obtained mixed results. The rise of social networks offers users a new medium in which they can broadcast their preferences and activities, including about animals. In two studies, the first on Facebook status updates and the second on images shared on Twitter, we revisited the link between Big Five personality traits and animal preference.
Keywords: Big Five, cat people, dog people, Facebook, social media, Twitter
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https://www.sas.upenn.edu/~danielpr/files/pets17anthrozoos.pdf
https://www.americanpetproducts.org/press_industrytrends.asp