The Development Of Critical Thinking Skills In High School – A Case Study
Table 2:
| Posttest critical thinking | |
| Mann-Whitney U | 25.500 | 
| Wilcoxon W | 431.500 | 
| Z | -6.010 | 
| Asymp. Sig. (2-tailed) | .001 | 
| Posttest critical thinking | |
| Mann-Whitney U | 25.500 | 
| Wilcoxon W | 431.500 | 
| Z | -6.010 | 
| Asymp. Sig. (2-tailed) | .001 |