dc.contributor.advisor | Fagan, Mary K. | eng |
dc.contributor.author | Millett, Amanda L. | eng |
dc.date.issued | 2013 | eng |
dc.date.submitted | 2013 Spring | eng |
dc.description | A Thesis presented to the Faculty of the Graduate School at the University of Missouri In Partial Fulfillment of the Requirements for the Degree Master of Health Science. | eng |
dc.description | Thesis supervisor: Dr. Mary K. Fagan. | eng |
dc.description | Includes bibliographical references (pages 42-44). | eng |
dc.description | The entire text is included in the research.pdf file; the abstract appears in the short.pdf file; a non-technical general description appears in the public.pdf file. | eng |
dc.description.abstract | [ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] Studies of maternal responsiveness to infant vocalizations shed light on mothers' role in language development. This study examined contingent verbal responses produced by 35 mothers to infants 4, 6, 8, 10, 12, and 14 months of age, using a cross-sectional design. Contingent responses (i.e., responsive utterances) were defined as conceptually dependent and meaningful verbal responses that occurred within 3 seconds following the onset of an infant vocal behavior. Non-responsive utterances were defined as maternal utterances that occurred within 3 seconds following the onset of an infant vocal behavior but did not meet criteria for a conceptually dependent and meaningful response. Maternal responses were classified into eight response-type categories: affirmation, comment, description, gasp, imitation, laugh, prompt, and question. The purpose of the study was to determine frequency of mothers' contingent verbal responses and acoustic and linguistic characteristics of mothers' responsive and non-responsive utterances. Results of acoustic analyses show responsive and non-responsive utterances were similar in terms of mean frequency, but responses were less linguistically complex compared to non-responsive utterances. Mothers were verbally responsive to 25 percent of infant vocal behaviors, responding primarily to infant speech-like vocalizations with single utterances in the form of questions and affirmations. Implications for language development, study limitations, and future research are discussed. | eng |
dc.format.extent | 1 online resource (vi, 44 pages) : illustrations. | eng |
dc.identifier.oclc | 891380384 | eng |
dc.identifier.uri | https://hdl.handle.net/10355/43147 | |
dc.identifier.uri | https://doi.org/10.32469/10355/43147 | eng |
dc.language | English | eng |
dc.publisher | University of Missouri--Columbia | eng |
dc.relation.ispartofcommunity | University of Missouri--Columbia. Graduate School. Theses and Dissertations | eng |
dc.rights | Access is limited to the University of Missouri - Columbia. | eng |
dc.source | Submitted by the University of Missouri--Columbia Graduate School | eng |
dc.subject.lcsh | Children -- Language. | eng |
dc.subject.lcsh | Infants -- Development. | eng |
dc.subject.lcsh | Mother and infant. | eng |
dc.title | Maternal verbal responsiveness to infant vocalizations | eng |
dc.type | Thesis | eng |
thesis.degree.discipline | Communication science and disorders (MU) | eng |
thesis.degree.grantor | University of Missouri--Columbia | eng |
thesis.degree.level | Masters | eng |
thesis.degree.name | M.H.S. | eng |