From: Exploring the validity evidence of a high-stake, second language reading test: an eye-tracking study
 | Mean | SD | Range |
---|---|---|---|
Age | 20.93 | 2.63 | 19–31 |
Onset of learning (year) | 9.85 | 2.79 | 5–16 |
Age of arrival (year) | 19.72 | 2.84 | 16–28 |
Length of residence (year) | 1.39 | 1.34 | 0.08–4 |
Number of test-taking experiences (TOEFL, IELTS, GRE, MSUELT) | 3.02 | 1.35 | 1–8 |