Language Development

1. Environmental Influences

1.1. Child-directed speech

1.2. Recasting

1.3. Expanding

1.4. Labeling

1.5. Cultural and Socioeconomic effects

2. Social Preconditions

2.1. Language acquired through imitation

2.2. Psychological Explanations

2.3. Functional Explanations

2.4. Bilingualism

3. Language Disorders and Conditions

3.1. Predictors for ages 18-36 months

3.2. Defintion

4. Main components of Language

4.1. phonology

4.2. semantics

4.3. grammer

4.4. pragmatics