c. simultaneously with B.
d. none of the above
8. Suppose a manufacturer wants to determine whether or not changing the
packaging of his/her major product will bring about a change in sales. Which
type of research will be most appropriate?
a. causal research
b. exploratory research
c. descriptive research
d. qualitative research
e. none of the above
9. To demonstrate that an increase in advertising causes a sales increase, one must
be able to show that the increase in advertising occurred before the increase in
sales. Which of the preconditions for causation is being illustrated?
a. correlation
b. appropriate time order of occurrence
c. elimination of all possible causal factors
d. elimination the effects of the independent variable
e. none of the above
10. An analysis of company financial records shows that in every year that the
company increased its advertising expenditures, sales increased. What can you
say about the relationship between the two factors/variables?
a. Advertising expenditure and sales exhibited concomitant variation.