Evaluations

In partnership with candidates, researcher Alan Gerber conducted five randomized evaluations in two states to measure the effect of campaign mailings on vote shares. The results suggest that incumbent spending has a negligible effect on vote share, whereas challenger spending was effective.

Researchers examined the effects of personal canvassing, phone calls, and direct mail on voter turnout shortly before the 1998 general election in the US city of New Haven. Personal canvassing had a far greater influence on voter participation than three pieces of professionally crafted mail...

Researchers measured the impact of receiving phone calls on registered voters’ likelihood of voting in general elections in the United States. The study found that non-partisan, get-out-the-vote (GOTV) phone calls had no effect on voter turnout.

Researchers contacted registered voters in a New England town by telephone and asked a portion of these voters to predict whether or not they would vote. This allowed researchers to use a randomized evaluation to measure the impact of making a prediction about future voting behavior on actual voting...

Researchers randomly provided postage-paid envelopes to a subset of permanent absentee voters in San Mateo County, California in order to evaluate its impact on voter turnout. The provision of prepaid postage resulted in no net change in voter turnout because it simultaneously decreased the number...

Through a randomized evaluation, researchers examined the effects of partisan mail campaigns on voter turnout in state and municipal elections in Connecticut and New Jersey. Results indicate that partisan direct mail campaigns do little to stimulate voter turnout.

Researchers evaluated whether disclosure of past voting participation had a stronger impact on turnout when it reminded voters of instances in which they previously voted or of instances in which they failed to vote. The results suggest that mailings disclosing past voting behavior had strong...

Researchers used two randomized evaluations, an online survey and a field experiment, to test how personality traits affect responses to persuasive appeals to vote. They found that individuals with high levels of openness were most responsive to a range of appeals.