%0 Journal Article %T Replicating Experiments Using Aggregate and Survey Data: The Case of Negative Advertising and Turnout %A Ansolabehere, Stephen D. %A Iyengar, Shanto %A Simon, Adam %D 1999 %P 901-909 %J American Political Science Review %V 93 %I 4 %2 ISSN: 0003-0554 %U http://www.jstor.org/stable/2586120