iestion $20$

$2$ points

Save Ans

To test the effectiveness of changes in an advertising campaign, a marketing research firm decides to randomly implement certain ad changes in Atlanta, other ad changes in Dallas, and no change to the ad campaign in Denver. With regard to the products in question, assume the purchasing propensities in the three cities are equal. What type of research design is the marketing research firm invoking?

Static group design

Factorial design

Solomon Four group design

Post$-$test only with control group design