Principles of Language Learning and Teaching, Fifth Edition, by H. Douglas Brown, is the classic second language acquisition text used by teacher education programs worldwide. Principles introduces key concepts through definitions of terms, thought-provoking questions, charts, and spiraling. New "Classroom Connections" encourage students to consider the implications of research for classroom pedagogy. An up-to-date bibliography and new glossary provide quick access to important works and key terminology in the field.

The fifth edition takes a comprehensive look at foundations of language teaching through discussions of the latest research in the field, including:



Vygotsky's and Bakhtin's theories
Thorndike's law of effect
error treatment, noticing, recasts
intercultural communication
language policy and politics
corpus linguistics
"hot topics" in SLA
connectionism and emergentism
flow theory, willingness to communicate
strategies-based instruction
contrastive rhetoric
attribution theory, self-efficacy
output hypothesis