Testing a Theory of Change for Leadership in Center-Based Early Care and Education Settings. Early Childhood Research Brief. OPRE Brief #2024-346 - Administration for Children and Families (ACF) (DHHS), Office of Planning, Research and Evaluation (OPRE); Mathematica; University of Massachusetts Boston, Institute for Early Education Leadership and Innovation; Katie Gonzalez; Gretchen Kirby; Lizabeth Malone; Anne Douglass; Yange Xue (Office of Planning, Research and Evaluation, 2024)