A Design-Based Approach to Improve External Validity in Welfare Policy Evaluations.

MLA

Tipton, Elizabeth, and Laura R. Peck. “A Design-Based Approach to Improve External Validity in Welfare Policy Evaluations.” Evaluation Review, vol. 41, no. 4, Aug. 2017, pp. 326–56. EBSCOhost, https://doi.org/10.1177/0193841X16655656.

APA

Tipton, E., & Peck, L. R. (2017). A Design-Based Approach to Improve External Validity in Welfare Policy Evaluations. Evaluation Review, 41(4), 326–356. https://doi.org/10.1177/0193841X16655656

Chicago

Tipton, Elizabeth, and Laura R Peck. 2017. “A Design-Based Approach to Improve External Validity in Welfare Policy Evaluations.” Evaluation Review 41 (4): 326–56. doi:10.1177/0193841X16655656.