In the interview with the customer, the most easy to meet is two situations, one is the customer's demand is vague or unreasonable demand, can not be achieved. Second, there is a conflict of demand between multiple customers.
For a fuzzy approach to demand:
1: Use prototypes to make requirements concrete. For example, with the use of paper strokes of the image, customer confirmation, the wrong to modify, until the demand is clear.
For the unreasonable requirements of the treatment method:
1: tactful to tell its needs to achieve the need to consume a lot of material. For example, in the case of the economy is not allowed, the customer's needs are related to the ability of the capacity of the function, in a figurative way to tell customers the cost of this function, so that customers understand.
2: For customers unwilling to cancel the unreasonable demand, we ask customers to increase the cost of costs.
3: For the part of the technology can not be realized, should and tell the customer this aspect of the development is not realized at present, or the development of this feature may take a lot of time, and may fail, let the customer understand the risk.
How to handle multiple requirements conflicts:
1: First of all, the consultation between the customers, to find a solution that everyone can accept.
2: If the above conditions can not be achieved, then for the needs of the conflict to do a survey, the need to prioritize, select a high priority.
3: If it is still not possible, try to innovate a new approach to satisfy the essential needs of both parties, but it is often difficult to achieve this approach.
4: If still not, find a common superior among customers, let it decide the problem of distribution of demand.
The common approach to demand acquisition is to conduct customer interviews and discuss with your practice what problems you will encounter, and how do you solve them?