Table 2 Descriptive statistics for pre-test and post-test argumentative writing tasks across the groups
| Â | N | Mean | SD | Skewness ratio |
|---|---|---|---|---|
Pretest | ||||
 Impulsive | ||||
  Pseudo-integration | 30 | 5.148 | 1.042 | .932 |
  Refutation | 29 | 4.801 | .802 | .930 |
 Reflective | ||||
  Pseudo-integration | 29 | 5.017 | .801 |  − .057 |
  Refutation | 28 | 4.705 | .720 | .548 |
Posttest | ||||
 Impulsive | ||||
  Pseudo-integration | 29 | 5.319 | 1.300 | 1.152 |
  Refutation | 28 | 6.339 | 1.016 |  − .405 |
 Reflective | ||||
  Pseudo-integration | 28 | 6.821 | 1.303 |  − .219 |
  Refutation | 27 | 5.814 | .850 |  − .464 |