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A Comparison of Measures of Signal-To-Noise Ratio, Jitter, Shimmer, and Speaking Fundamental Frequency in Smoking and Nonsmoking Females

Description: Fifteen nonsmoking and fifteen smoking females 19 to 36 years of age were evaluated on measures of signal-to-noise ratio (SNR), jitter, shimmer, and speaking fundamental frequency (F0). The results indicated that: 1) there is a significant difference between female smokers and nonsmokers on measures of SNR, mean, and maximum F0 and, 2) there is no significant difference between female smokers and nonsmokers on measures of jitter, shimmer and minimum F0 . The SNR was found to be a powerful tool which is capable of distinguishing subtle vocal characteristics between the subject groups. It would appear that cigarette smoking may have an impact on the voice before distinct laryngeal pathologies are present.
Date: December 1991
Creator: Coy, Kelly (Kelly Bishop)
Partner: UNT Libraries

Central Auditory Processing in Severely Language Delayed Children: Six Case Study Presentations

Description: Responses of six severely language delayed (SLD) children were obtained on three measures of central auditory processing and one measure of language proficiency. The results of these measures were compared to the results obtained from six normal-hearing children, matched in age and Performance IQ on the WISC-R. The 12 children were tested with the Pitch Pattern Sequence Test (PPST), the Dichotic Digit Tests (DDT), and the Pediatric Speech Intelligibility Test (PSI). Differences in the central auditory abilities as well as the history of each child were presented in .a case study format. The results of the history information demonstrated no unusual problems among these 12 subjects. Ten out of 12 subjects demonstrated abnormal results on at least one measure of the central auditory battery.
Date: December 1989
Creator: Bracken-Ward, Lana J.
Partner: UNT Libraries

An Investigation of Attitudes and Reactions of Preschool and School-Age Children Toward a Child Speaker with Stuttering Patterns

Description: This study compared the attitudes and reactions of thirty preschool and thirty school-age children toward a child speaker with stuttering patterns. An introduction reviewed previous literature on defining stuttering, adults' and children's attitudes toward stuttering, and the stutterer's personality traits. The children of the study rated either a normal child speaker or a child speaker with stuttering patterns on a sociometric scale. In a giving task, the children were asked to choose one of the speakers. Statistical testing revealed that the school-age children had a more negative attitude toward and less social acceptance of the child speaker with stuttering patterns than the normal-speaking child. Implications for the speech-language pathologist in treating the child stutterer are discussed.
Date: August 1985
Creator: Wells, Clare Denise
Partner: UNT Libraries