The Center for Language Teaching Advancement (CeLTA) at Michigan State University (MSU) was awarded a U.S. federally funded two-year grant in 2014 to investigate the status of proficiency, and the promotion of proficiency, in foreign language programs. The grant was awarded to Paula Winke and Susan Gass, as principal investigators. The purpose of…

Second language acquisition (SLA) as a discipline has not had a long history and, as any new discipline, has seen growing pains over the years. This research timeline traces the development of the increased and more sophisticated use of statistics in SLA research and the increasing demands for rigor in their use. Use of statistical procedures has…

The five papers in this issue cover a range of perspectives on the acquisition and use of the Spanish copulas "ser" and "estar" in a variety of contexts, including language contact, bilingual language acquisition, and classroom second language learning. The fact that these papers cite work in this area as far back as the early part of the 20th…

This paper presents an overview of what has come to be known as the "Interaction Hypothesis," the basic tenet of which is that through input and interaction with interlocutors, language learners have opportunities to notice differences between their own formulations of the target language and the language of their conversational…