This books aims to open up new perspectives in the study of language proficiency by bringing together current research from different fields in psychology and l

The United States is formally represented around the world by approximately 14,000 Foreign Service officers and other personnel in the U.S. Department of State.

With contributions from an international team of leading experts, this volume offers new ways to explore and measure language dominance.

This book, written for both seasoned and novice researchers, presents a theory of what is called Basic and Higher Language Cognition (BLC and HLC), a theory aim

Assessing English Language Proficiency in U.S. K–12 Schools offers comprehensive background information about the generation of standards-based, English langu