1 What Is Language?

Learning Goal 1 Define language and describe its rule systems.

Defining Language
Language's Rule Systems

2 How Language Develops

Learning Goal 2 Describe how language develops.

Infancy
Early Childhood
Middle and Late Childhood
Adolescence

3 Biological and Environmental Influences

Learning Goal 3 Discuss the biological and environmental contributions to language development.

Biological Influences
Environmental Influences
An Interactionist View of Language

4 Language and Cognition

Learning Goal 4 Evaluate how language and cognition are linked.