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He seems to assume that the contribution and volunteer rate of the added marginal people (those who signed up after seeing the best performing media / button, b
by ddlatham 16y ago
He seems to assume that the contribution and volunteer rate of the added marginal people (those who signed up after seeing the best performing media / button, but would not have signed up with the default media / button) is as good as the rest of the people (those who would have signed up regardless).
- kenjackson 16y agoHe doesn't mention it, but that's easy to determine. Simply see what the average contribution of people who contributed during the A/B testing was per image/button combination. If there not all about the same then there may be some effect (negative or positive) that the added marginal people brought. If they're about the same, I think its a decent assumption to believe that it will be the same going forward. And of course, you can simply validate it by seeing if it is the same going forward.
- dsiroker 16y agoSimply see what the average contribution of people who contributed during the A/B testing was per image/button combination We didn't measure the average contribution for each variation for this particular experiment but in future splash page tests we measured eventual $ per pageview for each variation and it was very closely correlated to % signup rate.