3 ms·
> the very term A/B testing refers to the "A" and "B" sides of a newspaper print roller being able to print two versions of an advertisement. Really? That's i
by ghgr 7y ago
> the very term A/B testing refers to the "A" and "B" sides of a newspaper print roller being able to print two versions of an advertisement.
Really? That's interesting. But how could they tell which version converted better? Maybe distributing each version in a different area?
- jacques_chester 7y agoThat was the beauty of it. As the newsprint passes through, one paper will get A, the next will get B, the next A and so on. The plates are otherwise identical for each page being printed. This perfect 50/50 split pretty much controls for all the plausible variables. Location, time of day, you name it, the odds of a reader seeing either A or B was exactly 50%.