The figure in this article* is taken (without citation) from a 2012 article by sociologists Michael Rosenfeld and Reuben Thomas. (open-access preprint: https:

The figure in this article* is taken (without citation) from a 2012 article by sociologists Michael Rosenfeld and Reuben Thomas. (open-access preprint: https://web.stanford.edu/~mrosenfe/Rosenfeld_How_Couples_Meet_Working_Paper.pdf https://web.stanford.edu/~mrosenfe/Rosenfeld_How_Couples_Mee...) * Edit: The paper on ArXiv cites R&T properly, it's the MIT Tech Review piece that doesn't.