Answer:
Split run test
Step-by-step explanation:
When sales person compares two or more versions of an add, to check which is better and measure the effectiveness of each ad, it is called split run test.
The main purpose of split run test is to convert the ad to sales. When people check one's homepage, split test helps to know which ads on those home page has a good rate of conversion.
Example of split run test is when a product is advertised in a national daily or on the web in two different version, which is aimed at getting which will have a good and better conversion rate.