Browse by Issue Vol 1 (2014) Vol 2 (2015) Vol 3 (2016) Vol 4 (2017) Vol 5 (2018) Vol 6 (2019) Vol 7 (2020) Vol 8 Vol 9 Vol 10 February March April May July September October November December Supplemental Materials '13 Reasons Why' Probably Increased Emergency Room Visits for Self-Harm among Teenage Girls (4.1 MB) Evolutionary Influences on Assistance to Kin: Evidence from the Panel Study of Income Dynamics (606.2 KB) Vol 11 Supplemental - Differences in the Risk of Grade Retention for Biracial and Monoracial Students in the United States, 2010 to 2019 (119.7 KB)
