Table 4 Descriptive statistics for observed performance on the test and observed test scores in the TOEFL iBT test
From: A quantitative analysis of TOEFL iBT using an interpretive model of test validity
| Â | Mean | Max | Std. | N |
|---|---|---|---|---|
OPerf. | 33.15 | 55 | 9.40 | 140 |
OTS | 24.51 | 40 | 7.28 | 140 |