90 percent of everything : Usability Blog
Written by Harry Brignull

How Obama’s team used A/B testing to improve fund raising

February 10th, 2009 by Harry Brignull5 comments

This isn’t breaking news, but it’s an interesting enough tidbit to deserve being shared around. Back in November ‘08, Chris Goward of Wider Funnel noticed that Obama’s team used Google Website Optimizer to run an A/B test on barackobama.com. Unsurprisingly they didn’t publish the results. If you look at variation D, you’ll see that one of the purposes of this test was to ascertain whether omitting the free t-shirt (variation D) would have a effect on the donation rate. Printing and shipping all those t-shirts must have been pretty pricey!

It seems like everyone is doing A/B and multivariate testing these days. If you’re not, then maybe it’s time to get busy?

screen grab from barackobama.com with A/B test region depicted

A/B test variations used on barackobama.com

(Found via WiderFunnel, the Conversion Rate Optimization Agency)

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5 comments so far | Leave a comment
  1. Alex G

    What the team failed to test was an alternative garment offering – perhaps an attractive Obamathong? They’d now have enough donated money left over to fix the floundering US economy.

  2. Harry Brignull

    Haha! This is exactly the limitation of A/B testing – you only ever find out which of your *existing* ideas are most effective…

  3. Laurence Veale

    What’s the alternative to an *existing* idea? An unknown unknown? ;)

  4. Harry Brignull

    A/B testing is evaluative – it allows you to converge on the best item from a predefined set of items. If you have 10 bad ideas, you will only find out which one is the least bad.

    Other forms of research are more generative – they stimulate innovative thought and creative design. Like contextual field research / Ethnography, for example.

  5. Presidential Promotions « Rpromo’s Blog

    [...] products in the course of his winning Presidential campaign, he also used them well together. 90 Percent of Everything recently showcased how his team used different shirts and different page layouts to find out how to [...]


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