这里的结论是:ET发现更多的bug在各种发现难度上,相比较ST而言。
Bug类型:
Type | ET | ST | ET/ST | Bug 总数 |
Documentation | 8 | 4 | 200% | 12 |
GUI | 70 | 49 | 143% | 119 |
Inconsistency | 5 | 3 | 167% | 8 |
Missing function | 98 | 96 | 102% | 194 |
Performance | 39 | 41 | 95% | 80 |
Technical defect | 54 | 66 | 82% | 120 |
Usability | 19 | 5 | 380% | 24 |
Wrong function | 263 | 239 | 110% | 502 |
Total | 556 | 503 | 111% | 1059 |
这里的结论是:ET在GUI和Usability这2个类型上ET有比较大的优势,但在Technical defect上,ST比ET要好一些。
Bug严重程度:
Severity | ET | ST | ET/ST | Bug 总数 |
Negligible | 23 | 14 | 164% | 37 |
Minor | 98 | 74 | 132% | 172 |
Normal | 231 | 203 | 114% | 434 |
Severe | 153 | 160 | 96% | 313 |
Critical | 51 | 52 | 98% | 103 |
Total | 556 | 503 | 111% | 1059 |