From: Test format effects: a componential approach to second language reading
 | Mean | SD | Range |
---|---|---|---|
Age | 20 | 2.81 | 19–31 |
Onset of learning (year) | 9.7 | 2.60 | 3–16 |
Age of arrival (year) | 20.44 | 3.23 | 16–30 |
Length of residence (year) | 1.25 | 1.30 | 0.08–5 |
Number of test-taking experiences (TOEFL) | 2.76 | 1.39 | 1–8 |