The National Purchase Diary, where each panel member is measured with respect to the same characteristics at each time, is an example of a(n)
a. true panel.
b. omnibus panel.
c. turnover table.
d. supplier panel.
e. retailer panel.
Question 2
Which of the following statements about panels is FALSE?
a. Panels typically allow the collection of more classification information than cross-sectional studies.
b. Panel data is more accurate than cross-sectional data because panel data tend to be freer from errors associated with reporting past behavior.
c. Panels reduce interviewer-respondent bias because of a trust built up through repeated contacts between the two individuals.
d. Nonrepresentativene ss of panel members may be a major weakness of longitudinal designs.
e. All of the above statements about panels are true; none of the above are false.
