The Development Of Critical Thinking Skills In High School – A Case Study
Table 3:
| N | Mean Rank | Sum of Ranks | ||
| Pretest critical thinking -Posttest critical thinking | Negative Ranks | 0a | .00 | .00 |
| Positive Ranks | 28b | 14.50 | 406.00 | |
| Ties | 0c | |||
| Total | 28 | |||
| a. pretest critical thinking < posttest | ||||
| b. pretest critical thinking> posttest | ||||
| c. pretest critical thinking = posttest | ||||