A paper from Applied Linguistic Review,”Vocabulary size revisited: the link between vocabulary size and academic achievement”:
“The study in this paper uses the frequency-based vocabulary size test from Goulden et al (1990) and investigates the vocabulary knowledge of undergraduates in three British universities. The results suggest that monolingual speaker vocabulary sizes may be much smaller than is generally thought with far less variation than is usually reported. An average figure of about 10,000 English word families emerges for entrants to university. This figure suggests that many students must struggle with the comprehension of university level texts.”
peakmemory 
Leave a Reply