In the study, published Tuesday, psychologists Gordon Pennycook and David Rand presented more than 1,000 Americans (via Mechanical Turk) with the same two-question survey Facebook plans to use. For 60 news websites selected by the authors, it asked respondents first whether they recognized the outlet, and second how much they trusted it: not at all, barely, somewhat, a lot, or entirely. Of the 60 sites the authors chose, 20 were mainstream media outlets, 20 were “hyperpartisan” outlets, and 20 were “fake news” hoax sites.