Table 2 Descriptive statistics for speaking performances measured by complexity, accuracy, and fluency (CAF) split by English proficiency and language used for planning
|  | High-proficiency (N = 27) | Low-proficiency (N = 29) | All Participants (N = 56) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Planning in L1 | Planning in L2 | Planning in L1 | Planning in L2 | Planning in L1 | Planning in L2 | |||||||
M (SD) | Range | M (SD) | Range | M (SD) | Range | M (SD) | Range | M (SD) | Range | M (SD) | Range | |
Syntactic Complexity (word/AS-unit) | 23.64 (7.72) | 11.25–34.75 | 17.57 (3.94) | 10.8–24.5 | 16.55 (3.75) | 18.67–22.67 | 12.69 (3.03) | 10.8–25.25 | 19.97 (6.94) | 11.25–34.75 | 15.04 (4.25) | 10.8–25.25 |
Lexical Diversity (type/token) | 60.04 (5.67) | 50.85–72.79 | 59.59 (6.23) | 46.48–71.23 | 65.19 (9.40) | 45.26–84.62 | 67.92 (8.95) | 47.06–85.19 | 62.70 (8.18) | 45.26–84.62 | 63.90 (8.76) | 46.48–85.19 |
Lexical Diversity (vocd-D) | 58.21 (14.26) | 36.14–104.66 | 52.45 (19.47) | 31.72–85.82 | 58.47 (14.52) | 22.11–84.62 | 58.86 (20.33) | 18.5–101.23 | 55.23 (17.25) | 22.11–104.66 | 58.67 (17.61) | 18.50–101.23 |
Accuracy (error/word) | 4.39 (1.67) | 2–8.65 | 5.87 (2.26) | 2.84–10.11 | 8.26 (3.86) | 1.3–19.23 | 11.63 (5.07) | 2.27–22.5 | 6.40 (3.57) | 1.3–19.23 | 8.85 (4.90) | 2.27–22.5 |
Fluency (word/minute) | 149.73 (26.93) | 109.33–200 | 144.05 (24.29) | 97.33–189.33 | 79.95 (20.68) | 34.67–126.67 | 65.66 (17.04) | 36–98.67 | 113.59 (42.41) | 34.67–200 | 103.45 (44.60) | 36–189.33 |