Theoretical Perspectives of Language Development
by Wendy Lizardi
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