Nan Bernstein Ratner is a professor in the Department of Hearing and Speech Sciences at the University of Maryland, College Park.[1] Ratner is a board-recognized specialist in child language disorders.[2]
Her primary areas of research are fluency development and disorder, psycholinguistics, and child language development. She has published numerous research articles, chapters, and edited texts, as well as co-authored textbooks in her areas of research.[1]