21. - use case:
Score: 2
Qualitative Assessment: Needs Improvement
Description: Gagan did not provide any information on use case development. He should aim to discuss his experience with use cases.

22. - use case development:
Score: 2
Qualitative Assessment: Needs Improvement
Description: Gagan's responses did not indicate experience in use case development. He should focus on providing examples of his work in this area.

23. - prototyping and wireframing:
Score: 2
Qualitative Assessment: Needs Improvement
Description: Gagan did not demonstrate experience in prototyping and wireframing. He should work on discussing his skills and experience with these tools.

24. - continuous improvement frameworks:
Score: 2
Qualitative Assessment: Needs Improvement
Description: Gagan's responses lacked evidence of experience with continuous improvement frameworks. He should aim to discuss his experience in this area.

25. - customer journey mapping:
Score: 2
Qualitative Assessment: Needs Improvement
Description: Gagan did not demonstrate knowledge of customer journey mapping. He should work on gaining and discussing relevant experience in this field.