During ________ testing, the company's technical people observe how customers use the product, a practice that often exposes unanticipated problems of safety and servicing and alerts the company to customer training and servicing requirements.

During ________ testing, the company's technical people observe how customers use the product, a practice that often exposes unanticipated problems of safety and servicing and alerts the company to customer training and servicing requirements.



A) beta

B) research

C) sales-wave

D) alpha

E) simulated



Answer: A


Learn More :