Discusses the theoretical foundations of both basic approaches to contrastive analysis, the predictive, "a priori" version, and the explanatory, "a posteriori" version. Analyzes problems in both approaches, and states that explanatory investigations must be divorced from "classical" contrastive analysis and used with a more realistic methodology…

Error analysis is considered both a part of the methodology for the psycholinguistic investigation of the second language acquisition process as well as a part of the teaching-learning methods and materials re-evaluation process. The language acquisition process is a dynamic process governed by the principles of hypothesis formulation, testing and…