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Scientific Research

There has been much research on the benefits of baby signing. If you need any further information on any of the papers below, please contact us.


Acredolo, L. & Goodwyn, S. (1988)
Symbolic gesturing in normal infants.
Child Development, 59, 450-466.
Acredolo, L. & Goodwyn, S. (2000)
The long-term impact of symbolic gesturing during infancy on IQ at age 8.
(Paper presented at the meetings of the International Society for Infant Studies, Brighton, UK).
Goodwyn, S. Acredolo, L. & Brown, C. (2000)
Impact of symbolic gesturing on early language development.
(Journal of Nonverbal Behaviour).
Griffith, PL. (1985)
Mode-switching and mode-finding in a hearing child of deaf parents.
Sign Language Studies 48: 195-222.
Iverson, JM. & Goldin-Meadow, S. (2005)
Gesture paves the way for language development.
Psychological Science 16(5): 367.
Moore, B, Acredolo, L. & Goodwyn, S. (2001).
Symbolic gesturing and joint attention: Partners in facilitating verbal development.
(Paper presented at the Biennial Meetings of the Society for Research in Child Development).
Werner, H. & Kaplan, B. (1963)
Symbol formation: An Organismic Developmental Approach to Language and the Expression of Thought.
John Wiley, New York.

Further References of interest:

Bates E. et al (1979)
The emergence of symbols; Cognition and Communication in infancy.
Cambridge University Press, New York.
Daniels, M (1994)
The effects of sign language on hearing children's language development.
Communication Education 43: 291-298.
Daniels, M (1996)
Seeing Language: The Effect Over Time of Sign Language on Vocabulary Development in Early Childhood Education.
Child Study Journal 26: 193-208.
Daniels, M. (2001).
Dancing with Words: Signing for Hearing Children's Literacy.
Bergin and Garvey, Westport, Connecticut.
De Villiers, J & De Villiers, P (1978)
Language acquisition.
Harvard University press, USA.
Goodwyn, S. & Acredolo, L. (1993)
Symbolic gesture versus word: Is there a modality advantage for onset of symbol use?
Child Development 64: 688-701.
Goodwyn, S. & Acredolo, L. (1998)
Encouraging symbolic gestures: Effects on the relationship between gesture and speech.
The nature and functions of gesture in children’s communication, p61-73.
Wilson, R. et al (1985)
The Use of Signing and Fingerspelling to Improve Spelling Performance with Hearing Children.
Reading Psychology 4: 267-273.