1.2.5 - Describe methods of obtaining requirements from stakeholders.

Question 1

What are the advantages of using surveys to obtain requirements from stakeholders?

Answer 1

Surveys can gather a large amount of data from a large group, take little time to analyze (if done electronically), and are simple.

Question 2

What are the disadvantages of using surveys to obtain requirements from stakeholders?

Answer 2

Surveys can be hard to ask the ‘right question’, information gathered is limited by the questionnaire, can be biased, and the quality of responses is not ensured.

Question 3

What are the advantages of using interviews to obtain requirements from stakeholders?

Answer 3

Interviews allow a lot of very detailed information to be gathered and people can be asked about what they don’t like about the system.

Question 4

What are the disadvantages of using interviews to obtain requirements from stakeholders?

Answer 4

Interviews take a long time.

Question 5

What are the advantages of using direct observation to obtain requirements from stakeholders?

Answer 5

Direct observation allows the gathering of first-hand, unbiased information.

Question 6

What are the disadvantages of using direct observation to obtain requirements from stakeholders?

Answer 6

People might not work the way they normally do when being observed.

Question 7

What are the advantages of collecting documents to obtain requirements from stakeholders?

Answer 7

Collecting documents provides detailed information about the present system and can reveal where the old system has problems.

Question 8

What are the disadvantages of collecting documents to obtain requirements from stakeholders?

Answer 8

Collecting documents is time-consuming and just looking at forms/outputs may be confusing.