On the basis of experimental data, the author makes the following observations: (1) the basic encoding processes in speech, the schemas of order, first produce elementary underlying sentences; (2) underlying sentence structure is the controlling step in the organization of speech; (3) underlying sentence structure plays a central role in…

The purpose of this research was to develop methods to study the effects of context on children's comprehension and production of temporal terms such as "before,""after,""next,""then," and "but first." A longitudinal study, using naturalistic and traditional laboratory methods, and three…