Dell Corporation Sent Five Different Versions of Their Email to Customers

Multiple Choice

Dell Corporation sent five different versions of their email to customers to determine which message was most effective at getting customers to make online purchases. While online sales rose by nearly 20%, two of the versions demonstrated higher than normal click-through rates. Such experimentation done in a realistic environment would be called a

A) field experiment.
B) laboratory experiment.
C) survey experiment.
D) cross-sectional experiment.
E) longitudinal experiment.