Parameter

Project manager

Team leader

Software developer

Requirement engineer

Requirement analyst

Speed

3

3

3

3

2

Ease of use

4

4

3

2

3

Efficient

2

1

3

2.5

2

Flexibility

2

2.5

2

3

3

Knowledge management

4

3

3.5

3

2.5

Requirement change management

4

3

3

3

2

Constant communication

4

3

2

2.5

2

Conflict removed

2.5

2

3

3

2