Question

Topic: E-Marketing

What Does "nth" Mean In An Email List?

Posted by KathyAd on 250 Points
Does anyone know what it means to break down an email list by the Nth? (for example, every Nth person)? It is my understanding this will give us a random selection of people in our email list.

At my company, we have a large database of client and prospect names. For our email blasts, we make the "From" line our company name.

We have two salespeople, and we are talking about splitting the list randomly, so that we send one email from Salesperson A, and a second email from Salesperson B. (In other words, we'll send 2 emails -- one email to each half of the list.)

We tried splitting the list alphabetically, but that did not work well (one half did much better than the other half), so the salespeople felt it was unfair.

Does anyone know what it means to break down an email list by the Nth? (ie. every Nth person. I suppose if you had 3 salespeople, it would be every 3rd person).

I have mentioned this to our DB person, and he does not seem that familiar with it.

Thank you!
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RESPONSES

  • Posted by SteveByrneMarketing on Accepted
    nth can mean every other one on the list, or every third one, or every tenth one ... and so on.

    Steve
  • Posted by SteveByrneMarketing on Accepted
    or from other sources ...

    "The subset of every Nth individual on a list used as a test list. For instance, if one is doing Twelth-Testing, every twelth person on the list is sent an email."

    For your example of "we send one email from Salesperson A, and a second email from Salesperson B" simply every other email from salesperson B. Not sure why DB person having a problem.
  • Posted by SteveByrneMarketing on Accepted
    Oh and obviously you will need to split the list first e.g. two nth lists or better described as an A/B split list. Then use the signatures of salesperson A and B with their appropriate list.

    Hope this clears it up.

    Steve
  • Posted by SteveByrneMarketing on Accepted
    Kathy,

    Sorry, it's a little late and my thinking is a little slow. Your situation is probably more complicated than just broadcasting email from two salespeople.

    Have you done the required testing? Testing the list, the subject line, your specific action step and offer to motivate the action, a landing page, competitor emails etc ....

    We have several experts in this area. I recommend contacting Tim Pepper (see 'Pepper Blue' profile)

    Steve
  • Posted by Gary Bloomer on Accepted
    Dear Kathy,

    The expression comes from the world of algebra, where
    the "N" refers to an arbitrary integer that tends toward infinity.

    It basically means to review something until the end of forever.

    I hope this helps.

    Gary Bloomer
    The Direct Response Marketing Guy™
    Princeton, NJ, USA
  • Posted by Jay Hamilton-Roth on Accepted
    Here's one example of using a Nth select: https://www.accuzip.com/webhelp/Manipulating_Data/Nth_Select.htm
  • Posted by Peter (henna gaijin) on Accepted
    It sounds like you have a good set of answers related to the meaning of Nth, but in reality your issue is finding a way to split the email list so that it fairly is split between the sales guys (so that any sales resulting get split between them).

    If the email list order is the order people were added to the list, it is possible that one half is not as good as the other. For example, the first half may have a lot of emails from people who are no longer at their address but not removed from your list, have tagged your messages as spam (so they don't get received, but are still sent), no longer involved in areas that involve your product or service, etc.

    However they are ordered, consider whether just splitting in half would be fair for both. If not, do a different means of splititng.

    Some things to consider:
    - is there value to having the message always come from the same sales person? Do you want the sales person to be the contact for that customer? if so, you may not want to change the list, but find some other way to make it fair.

    - Are the sales people both equally as good? Or is this complaint really a red herring for the lesser performing person to cover their tracks? If the question on keeping the name the same for customers over time I asked above is no, then you can just switch the list (so the opposite sales person now gets the top of the list as before) and see the results. If the same sales person does badly again, that is a clue worth considering.

  • Posted by michael on Accepted
    Kathy,
    Your sale people are going to whine and moan no matter what you do. You're better off sending the same to all and alternating the distribution of the leads as they come in.

    Michael
  • Posted by KathyAd on Author
    Thanks, everyone. This was very, very helpful. I am going to pass this Nth information on to our DB person. Regarding the salespeople, you are right they are going to complain no matter what ;-)

    But I should have said that the way I split the list last time really DID result in one 1/2 of the list doing better than the other. I can see clickthroughs (how many people clicked on the links in the email) in Constant Contact, and one 1/2 did better than the other 1/2.

    Thanks again!

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