Exhibit 6.2 A researcher is interested in determining whether point-of-purchase displays on shelves are more effective than not having them at all.The researcher randomly selects five stores from a supermarket chain that has fifteen stores in the Houston metropolitan area.None of the stores has previously used point of purchase displays.For a period of five weeks,sales for all fifteen stores were recorded.The researcher then compares the sales of the five stores with the 10 stores without point of purchase displays.
Refer to Exhibit 6.2.The dependent variable in the above study is
A)five store.
B)point of purchase displays.
C)sales.
D)five weeks.
E)fifteen stores.

Question

Quizplus · Accepted Answer

The dependent variable, which is the variable being measured and compared between the two groups, is sales. The independent variable is the presence or absence of point of purchase displays, and the five stores and five-week period are part of the study design.

Exhibit 62 a Researcher Is Interested in Determining Whether Point-Of-Purchase Displays