Age and gender in language, emoji, and emoticon usage in instant messages. - Timo K. Koch; Peter Romero; Clemens Stachl (Comput. Hum. Behav., 2022)

Personality Traits in Large Language Models. - Mustafa Safdari; Greg Serapio-García; Clément Crepy; Stephen Fitz; Peter Romero; Luning Sun; Marwa Abdulhai; Aleksandra Faust; Maja J. Mataric (CoRR, 2023)

Hidden Holes: topological aspects of language models. - Stephen Fitz; Peter Romero; Jiyan Jonas Schneider (CoRR, 2024)

Do GPT Language Models Suffer From Split Personality Disorder? The Advent Of Substrate-Free Psychometrics. - Peter Romero; Stephen Fitz; Teruo Nakatsuma (CoRR, 2024)