Ages of Speech Sound Acquisition Comparisons and Critiques of Several Normative Studies Research Article
Research Article  |   July 01, 1986
Ages of Speech Sound Acquisition
 
Author Notes
  • Ann B. Smit is affiliated with the Department of Speech Pathology and Audiology, University of Iowa, Iowa City, IA 52242. Requests for reprints may be sent to her at this address.
    Ann B. Smit is affiliated with the Department of Speech Pathology and Audiology, University of Iowa, Iowa City, IA 52242. Requests for reprints may be sent to her at this address.×
Article Information
Research Articles
Research Article   |   July 01, 1986
Ages of Speech Sound Acquisition
Language, Speech, and Hearing Services in Schools, July 1986, Vol. 17, 175-186. doi:10.1044/0161-1461.1703.175
History: Received February 18, 1985 , Accepted May 30, 1985
 
Language, Speech, and Hearing Services in Schools, July 1986, Vol. 17, 175-186. doi:10.1044/0161-1461.1703.175
History: Received February 18, 1985; Accepted May 30, 1985

Published investigations of normative ages of speech sound acquisition vary in the kind of speech sample on which they are based and in the methods used. Review of norms based on elicited single-word responses shows that the methods used can influence the resulting ages of acquisition for specific speech sounds. Review of the investigations which sample children's spontaneous speech indicates that these data have characteristics that make them difficult to use as norms. Desirable characteristics of normative investigations of speech sound acquisition are proposed.

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