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Variability In Test-Retest Of Maximum Duration Of Sustained /A/ In Children, Elena Diane Norwood

Dissertations and Theses

Maximum phonation time has been widely utilized as a simple clinical evaluation of the vocal function. Its importance has been emphasized by Van Riper (1954), Westlake and Rutherford (1961), Boone (1971), and other authors. A review of the literature revealed three trials of sustained phonation have been utilized by most researchers to determine maximum duration of phonation. Additionally, the review revealed a lack of test-retest reliability in maximum phonation time in children.

The present study was designed to determine the variability in test-retest of maximum duration of· sustained /a/ among prepubescent male and female children. Eighty subjects, twenty at each …

An Investigation Of The Influence Of Dialectal Interferences On The Nsst Scores Obtained By Portland Black Children, Margaret J. Callahan

Dissertations and Theses

The primary purpose of this study was to determine if dialectal interference as described by Walter Wolfram (Appendix B) was exhibited by black children in Portland, Oregon when given the NSST by Laura Lee. This author was concerned with syntactical interferences on the expressive portion of this test.

A secondary purpose of this investigation was to provide suggested norms for differentiating children with language deficits from children with language differences.

Seventy black children with normal speech and language were selected from two public schools, a Head Start Center and a day care center. These children were between the ages of …