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Gavin BROOKS
Department Kyoto University of Foreign Studies Department of British and American Studies, Faculty of Foreign Studies Position Associate Professor |
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| Date | 2025/09/04 |
| Presentation Theme | Lexical diversity, sophistication, and collocations: Predicting proficiency in IELTS writing |
| Conference | British Association of Applied Linguistics (BAAL) 2025 Conference |
| Promoters | British Association of Applied Linguistics (BAAL) |
| Conference Type | International |
| Presentation Type | Speech (General) |
| Contribution Type | Collaborative |
| Country | United Kingdom |
| Venue | The University of Glasgow |
| Holding period | 2025/09/04～2025/09/05 |
| Publisher and common publisher | Simon Fraser, Gavin Brooks, Jon Clenton, Jen Jordan |
| Details | This study analyzed 1,344 IELTS essays using Python to calculate lexical diversity, sophistication, and collocations. A random forest model identified dynamic lexical diversity, mid-frequency words, and high-MI collocations as key predictors of IELTS writing proficiency. |