A statement on social injustice. Click to read more.
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).