Jim answers questions from fellow Drillers
(More questions with answers here, Work Overview here, Index of concepts here)
Topic Overview
Hi again folks, Jim Novo here.
Today, we’re asked for a simple definition of retention. Problem is, the data / biz model really creates the definition. Meaning, you gotta match the creation of metrics with the actual actions. So I call for segmentation first so we can put some “actionable” stuff in the mix.
Make sense? Let’s do the “simple” (easy? maybe not) Drillin’ …
Q: For an online retailer, what is the best way to gauge retention in its most basic and simplest form? % of orders that are from repeat buyers? % of orders in month 2 who are repeaters that first bought in month 1?
A: I would take direction on this from the actual results of campaigns. Basically, at the point a customer no longer responds, they have defected. Perhaps this averages 3 months or 6 months after 1st purchase, and there will be category or price segments within these “time” segments. Retention is really measured by the defection.
Now, that’s not to say that % orders from repeats or the other one you mentioned are not valid, but I suggest you think about the specific question you want answered by the metric you choose. % orders from repeats, for example, is a common metric in mail order but is often biased by campaigns, e.g. if you ratchet up customer acquisition during a single month you poison your own metrics.
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