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by ad8e 1428 days ago
One interpretation is that it is very hard to extract value from the nudge literature. When reading research articles, one must estimate and adjust for biases. This adjustment shifts the p-values by unclear amounts. So a positive result may just be a fluke.

As for your own AB tests, you have seen the processes that go into them and do not need to adjust for unknown biases. So when they demonstrate a nudge effect, you can believe it.