Observation of the organization in operation is particularly useful when:

Question

Observation  of the organization in operation is particularly useful when:

Accepted Answer

The validity of the data collected is in question, or the complexity of certain aspects of the system prevents a clear explanation by the end-users

Answer

A solution to the problem may already exist in the literature

Answer

The current system is already completely documented

Answer

Facts must be gathered from a very large number of people at the same time

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