These are the appendixes for the report, "Center- and Program-Level Factors Associated with Turnover in the Early Childhood Education Workforce." Staff turnover is a pressing problem in early childhood education. High turnover can create organizational instability and distract from the care and education mandate of early childhood education centers. The Early Childhood Workforce Development Research Alliance of the Regional Educational Laboratory Northeast & Islands wants to better understand the factors associated with turnover in the early childhood educator workforce. Two appendixes are included in the document: (1) Methods; and (2) Supporting analyses. [For the full report, see ED611677; for the study brief, see ED611681; for the study snapshot, see ED611682.]