Search our database of 1,200+ summaries of randomized evaluations conducted by our affiliates in 98 countries. To browse key policy recommendations from a subset of these evaluations, visit the Policy Publications tab above.

Displaying 41-48 of 1267

Unconditional Cash Transfers to Increase General Welfare and Local Public Finance in Kenya

Providing cash grants to low-income households without any strings attached has been proven to have various benefits on the lives of those who receive the transfers, but less is known about how this sudden influx of income affects the local economy and people living nearby. In western Kenya...

Providing a Collaborative Civic Education Program to Students in France, Greece, and Spain

Sandra McNally
Jenifer Ruiz-Valenzuela
Daniel Santín
Researchers evaluated the impact of a civic education program involving learning-by-doing and student-centered teaching approaches in middle schools across three European countries. The program increased students’ academic performance, respect for school rules, and friendship networks with people...

Does Campaign Spending Work in the United States?

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.

The Effects of Canvassing, Phone Calls, and Direct Mail on Voter Turnout in the United States

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...

Do Phone Calls Increase Voter Turnout in the United States?

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.

Self-Prophecy Effects and Voter Turnout in the United States

Anton Orlich
Jennifer K. Smith
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...

The Effect of Prepaid Postage on Voter Turnout in the United States

Andrew Healy
Neil Malhotra
Melissa Michelson
Allison Carnegie Sovey
Ali Adam Valenzuela
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...

Partisan Mail and Voter Turnout in the United States

Matthew Green
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.