A clothing manufacturer is curious if celebrity endorsements will influence a customer's decision in buying its products.This clothing manufacturer premieres its latest series of commercials privately to two separate groups of potential shoppers.One group will see a series of commercials without celebrities,and one group will see a series of commercials with celebrities.Furthermore,the manufacturer decides to split up the male shoppers from the female shoppers. Grouping the shoppers together by gender is an example of what?

Question

A clothing manufacturer is curious if celebrity endorsements will influence a customer's decision in buying its products.This clothing manufacturer premieres its latest series of commercials privately to two separate groups of potential shoppers.One group will see a series of commercials without celebrities,and one group will see a series of commercials with celebrities.Furthermore,the manufacturer decides to split up the male shoppers from the female shoppers.  Grouping the shoppers together by gender is an example of what?

Quizplus · Accepted Answer

Grouping the shoppers by gender is an example of blocking, which is a technique used to reduce the effects of extraneous variables that may affect the outcome of an experiment. By block randomization, the experiment can ensure that each group has an equal number of male and female shoppers, which eliminates gender as a confounding factor. This allows the experiment to isolate the effect of celebrity endorsements on customer decision-making.

A Clothing Manufacturer Is Curious If Celebrity Endorsements Will Influence