Current quantitative methods in second language (L2) acquisition have proven useful in examining how phraseological unit production changes over time. However, these methods are limited in that they do not allow for the analysis of individual differences in those changes. This study demonstrates the potential for Latent Curve Modeling, a type of…

The main goal of this paper is to analyze how the age factor behaves as an alleged individual difference (ID) variable in SLA by focusing on the influence that the learning context exerts on the dynamics of age of onset (AO). The results of several long-term classroom studies on age effects will be presented, in which I have empirically analyzed…

Discusses the development of the Adaptive Testing Linguistic Achievement Significance (ATLAS) test used to evaluate second language proficiency of Belgian civil servants. Notes that testers encountered various problems caused by the complexity of language, the difference in background of the candidates and the absence of official objective test…

Questions the plausibility of the unitary competence hypothesis, which assumes a universal structure of second language competence. New evidence, showing divergent structures in language ability subgroups and different influences of teaching styles on different language components, better supports a multidimensional model of foreign language…