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This thesis compared two measures of phonological assessment of children, Shriberg and Kwiatkowski's 1980 Percentage of Correct Consonants (PCC) and Ingram's 2002 Proportion of Whole Word Proximity (PWP). Two typically developing two-year-old children were initially studied, and then nine children with speech sound disorders. The children's words were divided into four categories ranging from least complex to most complex. It was hypothesized that the measures would correlate with word simplicity. The hypothesis was supported for the two typically developing children, and for five of the children with speech sound disorders. The other four children with speech disorders, however, did not show the correlation. It was concluded that PCC and PWP did not measure the same thing, that PCC alone was sufficient to assess the typically developing children, and that the two measures together better captured the ability of the children with speech sound disorders than either singularly. Further, the differences between the two groups of children with speech sound disorders were interpreted as showing a difference between phonological delay and phonological disorder.
ContributorsKnodel, Rebekah Katelyn (Author) / Ingram, David (Thesis director) / Major, Roy (Committee member) / Fox, Angela (Committee member) / Barrett, The Honors College (Contributor) / Department of Speech and Hearing Science (Contributor)
Created2013-05
Description
This thesis investigated the impact of word complexity as measured through the Proportion of Whole Word Proximity (PWP; Ingram 2002) on consonant correctness as measured by the Percentage of Correct Consonants (PCC; Shriberg & Kwiatkowski 1980) on the spoken words of monolingual Spanish-speaking children. The effect of word complexity on consonant correctness has previously been studied on English-speaking children (Knodel 2012); the present study extends this line of research to determine if it can be appropriately applied to Spanish. Language samples from a previous study were used (Hase, 2010) in which Spanish-speaking children were given two articulation assessments: Evaluación fonológica del habla infantil (FON; Bosch Galceran, 2004), and the Spanish Test of Articulation for Children Under Three Years of Age (STAR; Bunta, 2002). It was hypothesized that word complexity would affect a Spanish-speaking child’s productions of correct consonants as was seen for the English- speaking children studied. This hypothesis was supported for 10 out of the 14 children. The pattern of word complexity found for Spanish was as follows: CVCV > CVCVC, Tri-syllables no clusters > Disyllable words with clusters.
ContributorsPurinton, Kaitlyn Lisa (Author) / Ingram, David (Thesis director) / Dixon, Dixon (Committee member) / Barlow, Jessica (Committee member) / Barrett, The Honors College (Contributor) / Department of Speech and Hearing Science (Contributor) / School of International Letters and Cultures (Contributor)
Created2013-12
Description
The objective of this study was to examine the universality of three coarticulatory processes: glide epenthesis, stop epenthesis, and intervocalic voicing of stops. Five contrastive languages were selected to test these processes. These languages included English, Spanish, Mandarin, Arabic, and Navajo. All languages varied in phonemic inventory, stress patterns, phonological processes, and syllabic constructs. 16 participants were selected with relatively limited English exposure based on questionnaire responses regarding their language history. The participants went through a series of trainings and tasks to elicit these coarticulatory processes in several phonemic contexts. Part 1 of the study attempted to elicit the processes solely through imitation, while Part 2 attempted to do so through a spontaneous elicitation task. Although the results indicated that a universal use of these processes was not supported, the data suggested that glide epenthesis played a frequent role within English, Spanish, and Arabic. This was expected since glides are often used in the presence of diphthongs in these languages. Additionally, intervocalic voicing of stops was observed in English and Spanish, suggesting a language specific tendency. However, it was only noted when the voiceless stop occurred in the coda of the syllable and not in the onset of the syllable. Lastly, the use of stop epenthesis was not observed in any of the languages tested.
ContributorsVasquez, Dominique Jagelka (Author) / Weinhold, Juliet (Thesis director) / Ingram, David (Committee member) / Department of Speech and Hearing Science (Contributor) / School of International Letters and Cultures (Contributor) / Barrett, The Honors College (Contributor)
Created2016-12
Description
Children's speech and language development is measured by performance on standardized articulation tests. Test items on these assessments, however, vary in length and complexity. Word complexity was compared across five articulation tests: the Assessment of Phonological Patterns-Revised (APP-R), the Bankson-Bernthal Test of Phonology (BBTOP), the Clinical Assessment of Articulation and Phonology (CAAP), the Goldman-Fristoe Test of Articulation (GFTA), and the Assessment of Children's Articulation and Phonology (ACAP). Four groups of word complexity were used, using the dimensions of monosyllabic vs. multisyllabic words, and words with consonant clusters vs. words without consonant clusters. The measure of phonological mean length of utterance (Ingram, 2001), was used to assess overall word complexity. It was found that the tests varied in number of test items and word complexity, with the BBTOP and the CAAP showing the most similarity to word complexity in spontaneous speech of young children. On the other hand, the APP-R used the most complex words and showed the least similarity. Additionally, case studies were analyzed for three of the tests to examine the effect of word complexity on consonant correctness, usedin the measures of Percentage of Correct Consonants (PCC) and the Proportion of Whole Word Proximity (PWP). Word complexity was found to affect consonant correctness, therefore affecting test performance.
ContributorsSullivan, Katherine Elizabeth (Author) / Ingram, David (Thesis director) / Bacon, Cathy (Committee member) / Brown, Jean (Committee member) / Barrett, The Honors College (Contributor) / Department of Speech and Hearing Science (Contributor) / T. Denny Sanford School of Social and Family Dynamics (Contributor)
Created2013-05