a. diary.
b. random file.
c. codebook.
d. focus group.
e. catalog.
Which of the following is TRUE?
a. A panel is a permanent or fixed sample of members from whom information is
obtained continuously or at intervals over a period of time.
b. Nielsen’s panels of households in which participants use a handheld scanner to record
every UPC-coded item they purchase is an example of an omnibus panel in which the
same variables are measured over time.
c. An omnibus panel is a fixed sample of individuals who are measured continuously
(or periodically) with respect to the same information, e.g. purchase diary.
d. A true longitudinal analysis can be performed on data from an omnibus panel.
e. All of the above statements are true.
The multiple R, also called the coefficient of determination, in multiple regression
ranges from 0.00 to +1.00 and represents the amount of the dependent variable
“explained” by the combined independent variables.