What are various effectiveness measures that might be used from both a pre-testing and post-testing perspective?

Question

Promotion and Advertising
I was assigned the intro so just the intro for the paper please

This is a CLC assignment.

Find an example of a current or recent advertising campaign being used by an organization.

Write a paper of 1,500-2,000 words addressing the following questions:

What are various effectiveness measures that might be used from both a pre-testing and post-testing perspective?
Why would these particular testing methods be appropriate?
How can the information these measures provide be used by the marketer at various stages of the advertising campaign?
The paper must be supported by appropriately cited research.

Prepare this assignment according to the APA guidelines found in the APA Style Guide, located in the Student Success Center. An abstract is required, and is not part of the overall word count.