Table 3.
Distributional characteristics of pre- and post-test total scores
| Pre-test n = 1,418 |
Post-test n = 3,052 |
|
|---|---|---|
| Mean | 7.7 | 8.8 |
| Median | 8 | 9 |
| Mode | 8 | 9 |
| Standard deviation | 1.1 | 1.4 |
| Range | 4–11 | 2–11 |
| Skewness | -0.1 | -0.8 |
| Kurtosis | 0.3 | 0.9 |
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