_______ is an ineffective tool for collecting primary data because it: can be expensive; takes time; controlling factors that are not changed can be a problem.

_______ is an ineffective tool for collecting primary data because it: can be expensive; takes time; controlling factors that are not changed can be a problem.

_______ is an ineffective tool for collecting primary data because it: can be expensive; takes time; controlling factors that are not changed can be a problem.



A) Depth Interviews
B) Focus Groups
C) Surveys
D) Personal Observations
E) Experiments



Answer: E


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