I think you are mixing up the true proposition

• Leah ran an ideological Turing test, in which theists scored better than atheists, AND
• Leah converted to Catholicism

with the false proposition

• Leah ran an ideological Turing test, in which theists scored better than atheists, AND SO
• Leah converted to Catholicism.

Wikipedia's page

... also neither claims nor implies that Leah's conversion was a result of her finding that Christians did better than atheists in her ideological Turing test.