Components of Creativity: Language Model-based Predictors for Clustering and Switching in Verbal Fluency

Verbal fluency is an experimental paradigm used to examine human knowledge retrieval, cognitive performance and creative abilities.This work investigates the psychometric capacities of LMs in this task.We focus on switching and clustering patterns and seek evidence to substantiate them as two distinct and separable components of lexical retrieval processes in LMs.We prompt different transformerbased LMs with verbal fluency items and ask whether metrics derived from the language models' prediction probabilities or internal attention distributions offer reliable predictors of switching/clustering behaviors in verbal fluency.We find that token probabilities, but especially attention-based metrics have strong statistical power when separating between cases of switching and clustering, in line with prior research on human cognition.