The lexical profile of academic spoken English
Limitations
Does not compare course types (seminars and lectures)
Ignores other factors that help to comprehend academic spoken English
The research is based on British academic spoken English
The drawbacks in the Range program (used as a tool to classify words)
For good comprehension - 95%
For adequate comprehension- 98%
The AWL accounted for 4.41% tokens in the academic spoken corpus
With (AWL) 3000 word families, Without AWL 4000 to reach 95%
With AWL 6000-7000 word families, Without AWL 8000 to reach 98%
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Materials (British Academic Spoken English (BASE) corpus) 160 lectures, 39 seminars
Social Science
Physical Science
Life and Medical Science
Art and Humanities
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The variation in vocabulary size needed to reach 95% and 98% vary across sub-corpora
Social Science (3000-5000 to reach 95-98%)
Medical Science (5000-13000 to reach 95-98%)
The lexical demands of academic spoken English
The coverage of the Academic Word List (AWL) in academic spoken English
Research findings