A null value is the value a field will assume unless an explicit value is entered for the field

R&D and marketing personnel are often rewarded differently. In many companies, marketing managers are rewarded for patents, improvements in technology, and the number of new products developed

R&D personnel are rewarded on the basis of their brands' market shares.. Indicate whether the statement is true or false

When American Airlines asked how many first-class passengers would purchase in-flight Internet service at $25, they were conducting ________ research

A) causal B) exploratory C) secondary D) ethnographic E) descriptive