Table 10: QinU attributes satisfaction level for JIRA v.1 and JIRA v.1.1 with improvements.

Attributesv.1v.1.1Change

1.1.1. Subtask correctness 86.4%91.9%5.5%
1.1.2. Subtask completeness 87.9%95.5%7.6%
1.1.3. Task successfulness 45.5%72.7%27.2%
1.2.1. Subtask correctness efficiency 37.4%44.3%6.9%
1.2.2. Subtask completeness efficiency 37.5%47.3%9.8%
1.2.3. Task successfulness efficiency 13.1%36.8%23.7%
1.3.1. Subtask correctness learnability 78.8%75.1%−3.7%
1.3.2. Subtask completeness learnability 26.4%77.3%50.9%
1.3.3. Task successfulness learnability 66.7%62.5%−4.2%

Average change13.7%