Dr. Dwight Irvin is an Assistant Research Professor in the Schiefelbusch Institute for Life Span Studies at the University of Kansas and an investigator at the Juniper Gardens Children’s Project. He was a Response to Intervention in Early Childhood Postdoctoral Fellow at Juniper Gardens Children’s Project and a graduate of the Early Childhood, Special Education and Literacy program at the University of North Carolina at Chapel Hill. His specific research interests center on using advanced measurement approaches to better understand language environments that children with disabilities experience in various settings (i.e., school, home, and community) and determining how talk within them contributes (separately and collectively) to their development. He was the statistical and data analyst on Dr. Mason’s previous paraprofessional project aimed at capturing the paraprofessional instructional and behavioral support children in elementary schools receive.