Door-to-door canvassing is found to increase turnout not only in the person directly contacted by the canvassers. In two-member households, the uncontacted member of the households is also mobilized by GOTV canvassing.

A partisan canvassing campaign is found to be effective in mobilizing voters in the tightly contested 2004 presidential election.                     

Partisan phone calls and door-to-door canvassing carried out by a grassroots political network do not result in significant mobilization effects. Higher contact rates could improve estimates.

Door-to-door canvassing can be effective in the two weeks prior to Election Day, whereas earlier canvassing efforts are not found to be as effective. Multiple visits may not increase effectiveness of campaigns. Candidate-centered messages are more effective than partisan-centered messages.

Personally delivered phone calls and door-to-door canvassing messages are effective in mobilizing turnout. Phone calls may be as effective as canvassing.

Door-to-door canvassing is effective in mobilizing turnout and support for a ballot proposal. Methodological concerns related to precinct-level randomization are discussed.

Partisan GOTV campaign tactics are estimated to produce mobilization effects similar to results reported in nonpartisan experiments. Partisan door hangers may be more effective than nonpartisan doorhangers in mobilizing voters.

Estimates of the effects of door-to-door canvassing and phone call campaign experiments are compromised by low contact rates and treatment of control group subjects.

Student-based door-to-door canvassing during a highly competitive election season does not increase turnout in the overall subject population. However, student canvassers are successful in increasing turnout among voters under the age of thirty.

Door-to-door canvassing is found to be an effective means of mobilizing Latino voters in a variety of electoral contexts.