Semantic waves: Context, complexity and academic discourse (original) (raw)

2020, Martin, J. R., Maton, K. & Doran, Y. J. (eds) Accessing Academic Discourse: Systemic functional linguistics and Legitimation Code Theory, London, Routledge, 59–85

Abstract

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The paper explores the concept of semantic waves within educational contexts, emphasizing the challenge of segmentalism in knowledge-building processes in research and teaching. It introduces Legitimation Code Theory (LCT) and systemic functional linguistics (SFL) as frameworks to analyze academic discourse, presenting concepts such as semantic gravity and semantic density. The findings illustrate how effective teaching can harness semantic waves to bridge the gap between complex academic discourse and context-dependent learning, ultimately fostering cumulative knowledge-building.

Key takeaways

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  1. Semantic waves facilitate cumulative knowledge-building by linking context-dependent and complex forms of knowledge across disciplines.
  2. Legitimation Code Theory (LCT) and systemic functional linguistics (SFL) address segmentalism in education by analyzing knowledge practices.
  3. Knowledge-blindness obscures the significance of knowledge types, inhibiting effective teaching and learning strategies.
  4. Semantic gravity and semantic density are key concepts in LCT, defining context-dependence and complexity of knowledge.
  5. Research indicates that high-achieving students demonstrate semantic waves in their assessments, exhibiting effective knowledge integration.

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FAQs

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What are semantic waves and their significance in education?add

Semantic waves are patterns of context-dependence and complexity in knowledge practices that enhance cumulative knowledge-building. Research shows that high-achieving student work often reflects these semantic waves, helping students integrate diverse forms of knowledge.

How does Legitimation Code Theory (LCT) address segmentalism in knowledge practices?add

LCT provides a framework for analyzing and conceptualizing the organizing principles underlying knowledge practices, thus overcoming segmentalism. It allows for a dynamic understanding of semantic gravity and density, which reveals knowledge shifts over time.

What empirical methods examine the effects of semantic waves on student assessments?add

Studies have analyzed the semantic profiles of student essays to identify patterns of semantic waves. For example, a high-achieving essay shows a semantic wave by integrating complex literary ideas with concrete examples, indicating strong knowledge-building.

How does knowledge-blindness affect educational research and practice?add

Knowledge-blindness obscures the object of study, prioritizing general learning processes over understanding what is learned. This phenomenon results in pedagogical practices that often fail to foster cumulative knowledge or resonate with actual knowledge practices.

What role does semantic density play in shaping academic discourse?add

Semantic density quantifies the complexity of meanings in knowledge practices, influencing how concepts are understood within disciplines. Stronger semantic density encapsulates more intricate relationships among ideas, making discourse richer and more interconnected.