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If you run A/B tests on your website and regularly check ongoing experiments for significant results, you might be falling prey to what statisticians call repeated significance testing errors. As a result, even though your dashboard says a result is statistically significant, there’s a good chance that it’s actually insignificant.

via How Not To Run An A/B Test.

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That’s it, I think — that’s the biggest message from Jobs’ life. Don’t try to be like Steve. Don’t try to be like anyone.

Be yourself and work as hard as you can to bring wonderful things into the world. Figure out how you want to contribute and do that, in your own way, on your own terms, as hard as you can, as much as you can, as long as you can.

via Steve Jobs – John’s Tumblr.