Question: In projects where it is desirable to obtain quantitative input from a large number of people, _____ can be a valuable tool; likewise if you
In projects where it is desirable to obtain quantitative input from a large number of people, _____ can be a valuable tool; likewise if you wanted to obtain more in-depth qualitative information from a few users _________ would be the preferred tool; while the Hawthorne effect might give you caution about employing ________, that has an effect on normal work operations and worker productivity.
a. observations; in-depth surveys; interviews
b. questionnaires; observations; interviews
c. interviews; questionnaires; observations
d. questionnaires; interviews; observations
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