Session 4
One-liner
We will overview the history and current state of lexical measurements.
🎯 Learning Objectives
By the end of this session, students will be able to:
- Explain the purposes of linguistic measures
- List commonly used lexical measures in second language acquisition research
- Explain sub-constructs of lexical richness measures
- Lexical Diversity
- Lexical Sophistication
🔑 Key Concepts
- Lexical Richness
- Distinction between text internal vs external measures
- Lexical Diversity
- Type-Token Ratio
- Measure of Textual Lexical Diversity (MTLD)
- Lexical Sophistication
- Frequency
- Concreteness
- Phonological neighbors
📚 Required Readings
- Durrant Ch. 3
- (Skim) Eguchi, M., & Kyle, K. (2020). Continuing to Explore the Multidimensional Nature of Lexical Sophistication: The Case of Oral Proficiency Interviews. The Modern Language Journal, 104(2), 381–400. https://doi.org/10.1111/modl.12637