Research Article
Large-Scale Agile Transformations for Software Quality Assurance: An Empirical Case Study from Pakistan
Table 15
T-test statistics–agile vs traditional software development methods’ questions.
| | Statement/question | t | df | Sig. 2-tailed | Mean diff | 95% confidence interval of diff | | Lower | Upper |
| | Developers | | Flexibility | 26.0 | 94 | 0 | 3.3 | 3.0 | 3.6 | | Robustness | 28.0 | 94 | 0 | 3.4 | 3.2 | 3.7 | | Cost effectiveness | 28.1 | 94 | 0 | 3.4 | 3.2 | 3.7 | | Reusability | 26.2 | 94 | 0 | 3.3 | 3.1 | 3.6 | | Reduced risks in success | 22.7 | 94 | 0 | 3.1 | 2.8 | 3.4 | | End user involvement | 24.6 | 94 | 0 | 3.2 | 2.9 | 3.5 | | Delivery on time | 24.0 | 94 | 0 | 3.1 | 2.8 | 3.3 | | Interaction between team members | 25.2 | 94 | 0 | 3.0 | 2.8 | 3.3 |
| | QA leads | | Flexibility | 8.6 | 11 | 0 | 3.1 | 2.3 | 3.9 | | Robustness | 10.8 | 11 | 0 | 3.3 | 2.7 | 4.0 | | Cost effectiveness | 9.0 | 11 | 0 | 3.4 | 2.6 | 4.3 | | Reusability | 10.2 | 11 | 0 | 3.4 | 2.7 | 4.2 | | Reduced risks in success | 10.0 | 11 | 0 | 3.6 | 2.8 | 4.4 | | End user involvement | 9.8 | 11 | 0 | 3.2 | 2.5 | 3.9 | | Delivery on time | 8.1 | 11 | 0 | 3.0 | 2.2 | 3.8 | | Interaction between team members | 10.2 | 11 | 0 | 3.4 | 2.7 | 4.2 |
| | Testers | | Flexibility | 17.5 | 30 | 0 | 3.8 | 3.3 | 4.2 | | Robustness | 19.0 | 30 | 0 | 3.5 | 3.1 | 3.9 | | Cost effectiveness | 16.8 | 30 | 0 | 3.5 | 3.1 | 4.0 | | Reusability | 13.9 | 30 | 0 | 3.3 | 2.8 | 3.8 | | Reduced risks in success | 14.3 | 30 | 0 | 3.4 | 2.9 | 3.8 | | End user involvement | 16.5 | 30 | 0 | 3.2 | 2.8 | 3.6 | | Delivery on time | 12.9 | 30 | 0 | 3.2 | 2.7 | 3.7 | | Interaction between team members | 12.7 | 30 | 0 | 3.0 | 2.5 | 3.5 |
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