Abstract
Get full access to this article
View all access options for this article.
References
1.
Bloodstein
O.
A handbook on stuttering . Chicago : National Easter Seal Society for Crippled Children and Adults , 1969 .
2.
Siegel
S.
Nonparametric statistics for the behavioral sciences New York : McGraw-Hill , 1956 .
3.
Silverman
E-M.
Generality of disfluency data collected from preschoolers . J. Speech hear. Res. , 1972 , 15 , 84 –92 .