J Commun Disord. 2025 Sep 4;118:106564. doi: 10.1016/j.jcomdis.2025.106564. Online ahead of print. ABSTRACT Studies have established that dimensions of temperament and language development are associated in childhood. Insofar, however, longitudinal studies from infancy into toddlerhood accounting for all temperament dimensions and covering preverbal communication in addition to emerging verbal skills…