A new computerized call center

You have been asked to help in the development of a new computerized call center. Customers from a nationality Bank will ring up if they wish to change the details of their account. For instance, they might want to open a new account, close an old account, they might want to change the address of the person who owns the account and so on.

Briefly explain how you might use a number of different requirements elicitation techniques to identify the potential usability problems that might arise for people working with this new system. Identify the principle strengths and weaknesses of each technique.