One major requirement of the adversary system is that the aggrieved party not merely an observer, must be the one to initiate and pursue available legal remedies

________ involves trained observers posing as consumers and shopping at company ? or competitor-owned stores to collect data about customer-employee interaction and other marketing variables. (Choose the best answer.)

A) Personal observation B) Structured observation C) Mystery shopping D) Contrived observation

The ________ -chart is the chief way to control attributes

Fill in the blanks with correct word