Dr. Rosemarie O'Conner
Senior Director, Research Science

Dr. Rosemarie O’Conner manages an English language learner (ELL) study for the Regional Educational Laboratory (REL) Mid-Atlantic. She has more than 12 years of experience as a program evaluator, research methodologist, survey designer, and applied statistician. Dr. O’Conner has conducted and directed formative and summative evaluations across a broad spectrum of topics, including teacher professional development, academic instruction for at-risk youth, educational technology, and adolescent literacy.

A trained psychometrician, Dr. O’Conner’s interests are concentrated in the area of survey construction and validation, item response theory, rubric development, and classroom assessment. She has published her research in peer-reviewed journals and is co-editor and author of the book A Pig Don’t Get Fatter the More You Weigh It (Teacher’s College Press, 2007).