J. Roberts

Acquisition of variable rules: a study of (-t, d) deletion in preschool children

J. Roberts, Julie A. Roberts, 1997, Journal of Child Language.

Late-talking toddlers: MLU and IPSyn outcomes at 3;0 and 4;0

L. Rescorla, K. Dahlsgaard, J. Roberts, 2000, Journal of Child Language.

Late talkers at 2: outcome at age 3.

L. Rescorla, K. Dahlsgaard, J. Roberts, 1997, Journal of speech, language, and hearing research : JSLHR.

Phonological skills of children with specific expressive language impairment (SLI-E): outcome at age 3.

L. Rescorla, J. Roberts, L. Stevens, 1998, Journal of speech, language, and hearing research : JSLHR.

Variation in Child Language

J. Roberts, 2006 .