Nearly half of GOP primary voters were not affiliated with a party, compared with about 2 in 10 in the Democratic primary. AP VoteCast is a survey of 1,989 New Hampshire voters who took part in the Republican primary and 915 Democratic primary voters. POTENTIAL WEAKNESSES FOR TRUMPCompared with Iowa caucusgoers, New Hampshire Republican primary voters had more doubts about Trump. The survey of 1,989 Republican primary voters and 915 Democratic primary voters was conducted for six days, concluding as polls close. The margin of sampling error for voters is estimated to be plus or minus 3.5 percentage points for Republican primary voters and plus or minus 4.6 points for Democratic primary voters.