Table 1 Summary of the writing samples in the present study.

From: Lexical richness in Chinese university students’ EFL writing: a corpus-based comparison

Group

Number of texts

Number of words

Min

Max

Mean

SD

EFL group

EFL_Grade1

100

125

503

270.58

80.97

EFL_Grade2

100

76

498

273.92

81.77

EFL_Grade3

100

57

470

221.58

76.66

EFL_Grade4

100

146

514

352.58

67.46

Total

400

57

514

279.67

89.89

ENL group

200

56

1973

746.77

423.79

Total

600

56

1973

435.37

337.07