Extended Data Table 2 Pre-treatment exposure to Facebook Feed content by source type: Study participants and daily Facebook users

From: Like-minded sources on Facebook are prevalent but not polarizing

  1. Pre-treatment exposure by source type among study participants and U.S. adults who logged into Facebook every day in the 30 days preceding August 17, 2020. The first four columns in each panel of the table report the percentage of users (i.e., respondents or daily active users) for whom the proportion of content viewed from a given source type (i.e., like-minded, cross-cutting, and sources that fall into neither category) is in the stated range for (right column). Estimates presented for all content (top set of rows), content classified as civic (i.e., political; center set of rows), and news (bottom set of rows). The final column reports the median (p50), which is approximated to the nearest percentage point among Facebook daily users for computational efficiency. The denominator for these percentages is all respondents or all daily active users.
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