Dr. Adam Winsler is professor of applied developmental psychology at George Mason University in Fairfax, Virginia, USA. His research, represented in over 90 publications, examines private speech (self-talk) and its role in behavioral self-regulation and executive function among typically developing children as well as children with ADHD or autism. He also studies early childhood programs, school readiness, kindergarten retention, and bilingual language development among low-income, ethnically diverse, immigrant children. He is editor-in-chief of the journal, Early Childhood Research Quarterly (ECRQ).