kowenicki said: @werekitten I understand that, which is why I questioned it... it is essentially a perfectly reasonable assumption.. but an assumption none the less. |
Well, you know, when the chances of a phenomenon happening are infinitesimal for the purposes of your current study, it not happening is part of the hypotesis zero. A cow could jump to the moon through a quantum tunneling fluke, but you don't debate the assumption that it won't when studying their behaviour :)
In the same way I wouldn't see the need to question the assumption that adding enough users to an existing base will expand its demographic composition. The probabilities that it won't are exponentially small.