Theoretical Perspectives of Language Development

1. Nativist

1.1. Theorist: Noam Chomsky

1.1.1. Language Acquisition Device

1.2. Nature

1.3. Focus is on Syntactic Speech

2. Behaviorist

2.1. Theorist: B.F. Skinner

2.2. Nurture

2.3. Focus is on Semantic, Syntactic and Morphemic Speech

3. Cognitive Developmentalist

3.1. Theorist: Jean Piaget

3.1.1. Object Permanence

3.1.2. Preoperational Stage

3.2. Nature

3.3. Focus is on Semantic and Morphemic Speech

4. Interactionist

4.1. Theorist: Lev Vygotsky

4.2. Nurture

4.3. Focus is on Pragmatic Speech