POL222H1 Lecture Notes - Lecture 5: New Haven, Connecticut, Green 2000, The Adverts
Document Summary
Real election campaigns and candidates are used: california governor election of 1990, california senate election of 1992, los angeles municipal election of 1993. 1655 participants were pulled from californian neighbourhoods: while the sample is still one of convenience, the sample is more representative of real-world demographics within the region in question. The experiment"s procedure was: randomly assigned participants complete a short, pre-test questionnaire, these participants, in two groups, watched political advertisements. One group watched positive adverts, while the other watched negative adverts: both groups then completed a post-test questionnaire. Ansolabehere determined that negative advertisement decreased voter turnout. Randomized controlled experiments (rces) can also be conducted in real-world settings: as such, participants used in these eld experiments are also people used in real- world circumstances, experimental treatments in these experiments are real-world interventions. In this lecture, the examples of gerber and green 2000, wantchekon 2003 and beath et al.
