Reinforcement sensitivity theory (RST) has enormous potential to become a paradigmatic model of individual differences. However, while its foundations in experimental genetic and neurophysiological research on nonhuman animals are among the strongest in personality psychology, it has perhaps not gained the foothold within the field that it deserves. It is...
Infants’ initially broad links between language and object categories are increasingly tuned, becoming more precise by the end of their first year. In a longitudinal study, we asked whether individual differences in the precision of infants’ links at 12 months of age are related to vocabulary development. We found that,...