The act of segmenting a list for a test in which names are pulled from the main list for the test cell by number — such as every 5th name on the list. See also a/b split.

Building an Opt-In List, Building Relationships
If you aim for success, you must do everything within your means to achieve that. You just donÃt go on sitting there in your house complaining about not getting as much profit as you expect.