There is sequence and simultaneity in development that no prior framework has fully explained, as well as evidence of cross-morpheme relationships. In this article, the authors interpret these findings as support for the gradual morphosyntactic learning hypothesis ( Rispoli & Hadley, 2011; Rispoli, Hadley, & Holt, 2009).
No takes yet. Share an insight, caveat, or question.
Rispoli et al. (2012) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: