Table 3 Differences between pre-test and post-test in student responses to identifying defects
Categories | Total no of responses in pre-test | Total no of responses in post-test | Wilcoxon signed rank test | Significant difference | ||
|---|---|---|---|---|---|---|
Z | p | r | (p < 0.05) | |||
Identifying scenarios which do not satisfy the requirements | 12 | 37 | \(-\)1.99 | 0.02 | 0.33 | Yes |
Change in data types, function and structure of class diagram | 6 | 0 | \(-\)1.83 | 0.03 | 0.30 | Yes |
Add new functionality | 11 | 1 | \(-\)1.83 | 0.03 | 0.30 | Yes |
Change in existing functionalities and requirements | 14 | 8 | \(-\)0.92 | 0.18 | 0.15 | No |
No defects | 2 | 3 | \(-\)0.53452 | 0.29649 | 0.089087 | No |