Key Concepts in Language Development

Objectives

  • Models of language development provide order and answers to questions about how and why language develops.
  • The chapter examines:
    • Generative or Nativist theories
    • Interactionist theories
    • Learning theories
    • Language research and its purpose and process
  • Key objectives to outline:
    • Objectives covered:
    • 2.1: Relationship between Generative/Nativist and Interactionist theories
    • 2.2: Differentiate three main learning theories
    • 2.3: Describe goals and issues of language research
    • 2.4: Explain value of cross-language studies

Key Terms

  • Important terms to know:
    • Accommodation
    • Adaptation
    • Assimilation
    • Child-directed speech (CDS)
    • Constructionist approach
    • Emergentism
    • Equilibrium
    • Generative approach
    • Mental map
    • Nativist approach
    • Organization scheme
    • Social constructivism
    • Zone of proximal development (ZPD)

Linguistic Theory

  • History of studying language development dates back to ancient civilizations.
  • Interested parties:
    • Linguists describe language symbols and rules.
    • Psycholinguists explore psychological processes behind language.
    • Sociolinguists study language in sociocultural contexts.
    • Behavioral psychologists focus on responses elicited in language context.
    • Speech-language pathologists examine disorder and remediation.
  • Nature vs. Nurture Debate:
    • Central question in language acquisition.
    • Do we learn language because of innate abilities or environmental influence?
  • Main approaches:
    1. Generative/Nativist: Children born with innate rules for language.
    2. Interactionist: Language learning is influenced by both biological and environmental factors.

Generative Approach

  • Children acquire language using innate grammatical rules (Chomsky, 1965).
  • Assumption: Children don't learn from limited input due to errors in adult speech.
  • Definition of Language Acquisition Device (LAD) - a hypothetical brain mechanism for understanding language.
  • Basic Theory:
    • Universal grammar exists, enabling language learning through innate patterns.
    • Studies by Chomsky indicated that language structure can explain the process of language acquisition.
  • Limitations of Generative Theory:
    • Theory is too adult-centered and lacks supporting evidence from child language.
    • Children’s early language does not always fit adult grammatical categories.

Interactionalist Approach

  • Combination of biological and environmental processes in language learning.
  • Children learn through the input they receive, leading to hypotheses about linguistic structures.
  • The two main variants: Emergentism and Constructionism.
  • Children are seen as active participants in their learning environment.
  • Constructionist Approach: Language is composed of constructions that emerge from use rather than innate rules.

Learning Theories

  • Focus on how children learn a language through behavior changes influenced by different factors.
  • Three main types:
    1. Behavioral Learning Theory: Focus on observable behaviors; language is learned through imitation and reinforcement.
    2. Cognitivist Learning Theory: Focus on thought processes, stating that learning occurs through the internal processing of information.
    3. Social Constructivist Learning Theory: Emphasizes social interactions and experiences as primary in knowledge construction.

Language Research and Analysis Goals

  • Goals of child language research include:
    1. Discover and confirm linguistic principles of language development.
    2. Clarify language development relationship to cognition.
    3. Provide theoretical descriptions of language acquisition processes.

Data Collection Methods

  • Methods vary based on the aspect of language studied (e.g., speech perception, comprehension, production).
  • Structured testing vs. spontaneous conversational sampling leads to different insights and data on language use.
  • Collecting diverse linguistic input is critical for understanding language development comprehensively.

Issues in Child Language Study

  • Challenges in ensuring reliability and validity in research recruitment, method application, and data analysis.
  • Importance of cross-language studies to investigate universality and uniqueness in language acquisition principles.

Conclusion

  • Theories of language acquisition incorporate various aspects from Generative/Nativist and Interactionist views.
  • While research continues to evolve, the integration of computational modeling may offer new insights into child language development and acquisition.