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Abstract

A pretest-posttest experimental design was utilized to determine the efficacy of the Yuba Method on inaccurate elementary singers. Testing of pitch accuracy was analyzed using the Sona-Speech Model 3600 software program. Inaccurate singers (N=168) from a population of 320 fourth, fifth, and sixth grade students, were divided into three subgroups and a random sample of subjects was selected to be in a treatment group (N=30) and a control group (N=30). The Yuba Method, which is meant to target training of the cricothyroid muscle utilizing a series of vocal exercises intended to facilitate maneuverability over the vocal register break, was administered to treatment subjects (N=30) in a single 45-minute session. The effect of treatment was highly significant at the p < .001 significance level. Significant differences were also found among singing ability subgroups (before training) at the p = .002 significance level. Among inaccurate singers, the least accurate subgroup benefited the most and the most accurate singers benefited the least. Based on the results, the treatment was highly successful in correcting inaccurate elementary school singers in this study.

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