This study presents an argument against the identification of speech as the sole source of data for linguistic research. Specifically, the issue addressed is whether speech and reading and writing can be considered expressions of one language or whether the obvious differences in the terminal symbol strings in the two types of expression are…

This study was designed to identify specific language variables that could prove to be useful as predictors of a child's success in beginning reading. The study is theoretical in nature and provides background information that may be useful in future empirical investigations. A review of the literature on child language acquisition was conducted.…