Parameter

Project manager

Team leader

Software developer

Requirement engineer

Requirement analyst

Speed

8

7

7

7

7

Ease of use

7

8

8

7

6

Efficient

7

8

7

6

7

Flexibility

7

8

8

7

8

Knowledge management

8

7

7

7

7

Requirement change management

7

8

7

8

8

Constant communication

8

8

8

8

8

Conflict removed

7

8

7

8

8