The first stage of combinatorial speech is better described as variable than uniform. Talk of variants obscures two different aspects of language (knowledge and use) and two different aspects of language development -- acquisition of the grammar (competence) and deployment of the grammar in speaking and listening (performance). Null subjects and…

Storms, Ameel, and Malt [2015. "Development of Cross-language Lexical Influence." "International Journal of Bilingual Education and Bilingualism" 18: 529-547] compared the development of naming patterns in monolingual and bilingual children. They concluded that bilinguals' naming patterns in their two languages become…

In her thoughtful examination of the complexities of identity in the article "Political and Metaphysical: Reflections on Identity, Education, and Justice" (EJ1277341), Lauren Bialystok provides a full and incisive vocabulary for thinking through the tensions among authentic, political, and social recognition-requiring aspects of…

This article is a commentary for the special issue on affect and mathematics in young children, written from the perspective of research on affect in mathematics education. The studies in this special issue focus on the individual learners' affective traits and use primarily surveys as the method. The most common type of affect is emotions, but…

Professor of Second Language Acquisition (SLA) Robert DeKeyser is from the School of Languages, Literatures, and Cultures at the University of Maryland. His research builds bridges between the theory of second language acquisition with major concerns in cognitive aspects such as implicit and explicit learning mechanism, age differences, and…

The US Department of Justice released the final report on school violence and showed that middle school is the age when violence is high, accounting for more than 70% of all violence cases (Zweig et al., 2013). After having perpetrated, the probability that the perpetrator will commit violence again will increase significantly (Office of the…

This interview highlights and extends Dr. Barbara Rogoff's keynote address at the 2019 annual convention. Specifically, in the interview, Dr. Rogoff discusses her framework for learning, Learning by Observing and Pitching In, as well as other aspects of learning, including notions of childhood, age-based social ordering, and conflict as an aspect…