Now trending: Coping with non-parallel trends in difference-in-differences analysis.

MLA

Ryan, Andrew M., et al. “Now Trending: Coping with Non-Parallel Trends in Difference-in-Differences Analysis.” Statistical Methods in Medical Research, vol. 28, no. 12, Dec. 2019, pp. 3697–711. EBSCOhost, https://doi.org/10.1177/0962280218814570.

APA

Ryan, A. M., Kontopantelis, E., Linden, A., & Burgess, J. F., Jr. (2019). Now trending: Coping with non-parallel trends in difference-in-differences analysis. Statistical Methods in Medical Research, 28(12), 3697–3711. https://doi.org/10.1177/0962280218814570

Chicago

Ryan, Andrew M, Evangelos Kontopantelis, Ariel Linden, and James F Burgess Jr. 2019. “Now Trending: Coping with Non-Parallel Trends in Difference-in-Differences Analysis.” Statistical Methods in Medical Research 28 (12): 3697–3711. doi:10.1177/0962280218814570.