Chaplin, Duncan D.; Cook, Thomas D.; Zurovac, Jelena; Coopersmith, Jared S.; Finucane, Mariel M.; Vollmer, Lauren N.; Morris, Rebecca E. (2018). «The Internal and External Validity of the Regression Discontinuity Design: A Meta-Analysis of 15 Within-Study Comparisons». Journal of Policy Analysis and Management (em inglês). 37 (2): 403–429. ISSN1520-6688. doi:10.1002/pam.22051
Chaplin, Duncan D.; Cook, Thomas D.; Zurovac, Jelena; Coopersmith, Jared S.; Finucane, Mariel M.; Vollmer, Lauren N.; Morris, Rebecca E. (2018). «The Internal and External Validity of the Regression Discontinuity Design: A Meta-Analysis of 15 Within-Study Comparisons». Journal of Policy Analysis and Management (em inglês). 37 (2): 403–429. ISSN1520-6688. doi:10.1002/pam.22051