In 2017, the Office of Planning, Research, and Evaluation (OPRE) in the Administration for Children and Families (ACF) funded Mathematica to conduct the Infant and Toddler Teacher and Caregiver Competencies (ITTCC) project. The project aims to examine existing efforts across states, institutions of higher education, professional organizations, and…

Research Findings: This article summarizes current peer-reviewed research and conceptualizations of collaboration and presents a new conceptual model. Authors found that the existing peer-reviewed literature does not adequately reflect emerging understandings of the nature of early childhood collaborations or the contributions such collaborations…