Table 2.

Effects of personal canvassing on voter turnout in New Haven by party registration

Statistics (by party registration)	Control group	Treatment group
Democratic voters
Percentage voting, %	48.3	50.5
Number of persons	16,511	3,078
Contact rate, %	—	37.4
Republican voters
Percentage voting, %	50.3	51.7
Number of persons	1,330	261
Contact rate, %	—	31.8
Unaffiliated voters
Percentage voting, %	33.5	36.3
Number of persons	6,080	1,170
Contact rate, %	—	31.7
Estimated effect of personal contact by party registration
Democratic voters
Turnout differential (2.2%)/contact rate (37.4%) = 5.88% (±2.62% SEM)
Republican voters
Turnout differential (1.4%)/contact rate (31.8%) = 4.40% (±10.64% SEM)
Unaffiliated voters
Turnout differential (2.8%)/contact rate (31.7%) = 8.83% (±4.77% SEM)