The Intentionality Model and Language Acquisition: Engagement, Effort and the Essential Tension in Development

Lois Bloom (Ph.D., Columbia University, 1968) is an Edward Lee Thorndike Professor Emeritus of Psychology and Education at Teachers College, Columbia University. Her research interests have centered on early language acquisition, in general, and the part played by developments in emotion and cognition, in particular, on language development.

Erin Tinker (M.A., New York University, 1990; M.A., Teachers College, Columbia University, 1993) is a Learning Specialist at the Trinity School in New York City.