Language acquisition has remained a central occupation for linguistics and others in adjacent fields for the past 50 years. This new addition to the important series Critical Concepts in Linguistics documents the impressive progress of language acquisition research. It represents the interdisciplinary aspects of the field, by highlighting models and methodologies from, and implications for, adjacent fields such as psycholinguistics, developmental psychology, computer science, comparative cognition, among others. The collection points the reader to the most important and controversial issues...