Nan Bernstein Ratner
0141GG Lefrak Hall
Department of Hearing and Speech Sciences
(301) 405-4217
Office Hours:
By appointment

Nan Bernstein Ratner is Professor, Department of Hearing and Speech Sciences, University of Maryland, College Park. She is a Fellow and Honors recipient of the American Speech, Language and Hearing Association (ASHA).

 Her primary areas of research are fluency development and disorder, psycholinguistics and the role of adult input and interaction in child language development. The author of numerous research articles, chapters and edited texts, she is the co-author of A Handbook on Stuttering (6th ed) with the late Oliver Bloodstein, as well as The Development of Language (7th ed) and Psycholinguistics (2nd ed.), both with Jean Berko Gleason. She is a Board-recognized Specialist in Child Language Disorders. In 2006, Professor Bernstein Ratner received the Distinguished Researcher award from the International Fluency Association.


Areas of Interest:
  • Speech and language acquisition in typical children and children with communication disorders
  • fluency and fluency disorders, with an emphasis on stuttering
  • the role of parent-child interaction in typical and atypical communication development


BA Child Study, Linguistics Tufts University 1974
MA Speech-Language Pathology Temple University 1976
Ph.D Applied Psycholinguistics Boston University 1982
Course Name Course Title Semester Syllabus
HESP616 Language Disorders in Children Fall 2014

My research interests cross a number of areas, including typical speech and language development in infants and children; childhood communication disorders; the role of parents in language development; typical fluency and fluency disorders, such as stuttering; and the roles of evidence-based practice and information literacy in the conduct of speech-language pathology.

Campus Neuroscience and Cognitive Science Program (NACS)
Campus Language Sciences at Maryland
Campus Developmental Science Field Committee

Former Students

  • Peitzu Tsai
    San Jose State University
  • Stacy (Silverman) Wagovich
    University of Missouri
  • Amy Strekas
    American Institute for Stuttering
  • Catherine Torrington Eaton
    Rockhurst University