Which of the following techniques is used to focus solely on the external influences on an organisation?

The following is a list of statements concerning investigation techniques.
a. Questionnaires are an effective way of developing rapport with the business users.
b. Workshops are an effective way of obtaining user buy-in and acceptance.
c. Protocol analysis involves following a user for a period to find out what they do.
d. Scenarios can be used as an effective basis for the development of prototypes.
Which of the following is correct?

What stage of the V model provides the test criteria for user acceptance testing?

The term 'happy day' is often used in the context of which of the following investigation techniques?

Which of the following statements about change and change management is correct?