Session 8

Calculating SOA

One-liner

You will learn how to calculate commonly used Strengths Of Association (SOA) measures.

🎯 Learning Objectives

By the end of this session, students will be able to:

• Search for window-based collocations and n-grams in AntConc
• Calculate commonly used strengths of association measures by hand using spreadsheet software
• Discuss benefits and drawbacks of different strength of association measures

🔑 Key Concepts

• n-gram search
• Window-based collocation search
• Strengths of Association measures — T-score, Mutual Information, LogDice

📚 Required Readings

• (Skim) Durrant (2023) Ch. 8 (Ignore R codes if you are not familiar)

• Stephanie Evert’s website on collocation measures

  • This webpage provides formulas to calculate various Strengths Of Association measures.

🌊 Dive Deeper - Recommended Readings

Materials

Slides for the session

📊 View Interactive Slides

Reflection

• You can now do the followings:
  • Generate lists of n-grams using AntConc.
  • Search for collocates with AntConc.
  • Calculate major Strengths of Association (SOA) measures by hand.