Kate C Prickett1, Alexa Martin-Storey2, Robert Crosnoe3. 1. The Harris School of Public Policy Studies, University of Chicago, 1155 E. 60th Street, Chicago, IL, 60637, USA. kprickett@uchicago.edu. 2. Département de Psychoéducation, Université de Sherbrooke, 2500 Boul de L'Université, Sherbrooke, Québec, J4K 0A8, Canada. 3. The Population Research Center and Department of Sociology, University of Texas at Austin, 305 E. 23rd Street, Stop G1800, Austin, TX, 78712-1699, USA.