Balancing Internal and External Validity

Reach Out and Read, in partnership with Columbia University, the Center for the Study of Social Policy, and the Institute for Child Success, is proudly embarking on the first national longitudinal study of early relational health.  Tyson Barker, Chief Science & Innovation Officer at ICS joins us to talk about how the study will incorporate end-user design to learn best how to promote nurturing early relationships between young children and their caregivers.