The article analyses the system of methodological principles employed in the comprehensive study of linguistic variation in diachrony. In particular, the author defines the essence of the scientific principle as a means of linguistic study as well as thoroughly describes the system of methodological principles of a diachronic study of any…

So far, the comprehension and production language modes have typically been studied separately in generative second language acquisition research, with the focus shifting from one to the other. This article revisits the asymmetric relationship between comprehension and production by examining the second language (L2) acquisition of the noun phrase…

A fundamental question in the study of second language (L2) fluency is the extent to which temporal characteristics of speakers' first language (L1) productions predict the same characteristics in the L2. A close relationship between a speaker's L1 and L2 temporal characteristics would suggest that fluency is governed by an underlying trait. This…