A marketer sends out a newsletter to one group that has the sent address of 'newsletter@companyX.com.' This marketer sends out the same newsletter to another group that has the sent address of 'alex_g@companyX.com.' The researcher is attempting to determine the differences in response and open rates based on which address the newsletter is sent from. What is the marketer engaging in?

A marketer sends out a newsletter to one group that has the sent address of 'newsletter@companyX.com.' This marketer sends out the same newsletter to another group that has the sent address of 'alex_g@companyX.com.' The researcher is attempting to determine the differences in response and open rates based on which address the newsletter is sent from. What is the marketer engaging in?

A marketer sends out a newsletter to one group that has the sent address of 'newsletter@companyX.com.' This marketer sends out the same newsletter to another group that has the sent address of 'alex_g@companyX.com.' The researcher is attempting to determine the differences in response and open rates based on which address the newsletter is sent from. What is the marketer engaging in?



A.

questionnaire data.


B.

nonprobability sampling.


C.

an experiment.


D.

a panel.



Answer: C


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