new york presidential campaign notable negativity option neither candidate appear appeal alternative least participants reuters/ipsos opinion poll many voters side ambivalent support democratic nominee hillary clinton republican nominee donald trump complicate task pollsters try track race sentiment may help explain apparent skew recently emerge reuters/ipsos poll result give choice relatively large group voters opt neither/other candidate compare major poll lead underreporting several percentage point one two major contenders time race result reuters/ipsos amend word choice eliminate word neither bring option line poll amend reuters/ipsos track poll publish late friday available polling.reuters.com begin june middle july reuters/ipsos survey show consistently low support trump poll capture time reuters/ipsos poll show clinton lead trump wide 12 percentage point among register voters five percentage point high clinton lead comparable poll determine cause pollsters examine make reuters/ipsos poll different conclusion give respondents option neither/other survey appear capture great number ambivalent voters unwilling commit either candidate major poll offer choice other period analyze historically high antipathy major candidates pair option select neither/other mean reuters/ipsos poll probably underreported trump support republican convention perhaps percentage point recently neither/other option appear lead underreporting clinton support run-up democratic convention say cliff young pollster president ipsos public affairs partner reuters poll pollsters estimate clinton shortfall percentage point tom w. smith director center study politics society university chicago say early trump number reuters/ipsos poll could indicate softness support trump among relatively small group conservative voters yet come term candidacy plausible similar effect among democratic voters may hit clinton present option neither say skew display neither phenomenon may indicate chance gain among alternative party candidates smith say tim mclheny 47-year-old civil servant vermont describe moderate republican case point ask reuters/ipsos poll vote november skip trump clinton opt neither/other less two evils mclheny say say cast ballot candidate believe best civil servants ultimately however say may well grudgingly opt trump come november pollsters review methodology decide drop neither ipsos test three alternate versions presidential preference question different group survey compare result outcome establish version track poll test find eliminate word neither neither/other response increase trump support percentage point give day lead republican convention also increase clinton support small margin spotlight.ipsos-na.com/ p=5574 since convention however trump support seem solidify among wary supporters neither issue appear affect clinton survey tuesday example establish track poll candidates tie 38 percent 13-point lead clinton july 14 vanish two weeks polling.reuters.com/ poll/tm651y15_13/filters/pd1:1/dates/20160701-20160726/type/smallest eliminate neither neither/other answer produce different result case clinton ahead 40 percent 36 percent tuesday ask question new way 11 percent voters opt other comparison 14 percent opt neither/other version survey show race tie three-point gap suggest neither phenomenon work clinton nearly five years reuters/ipsos offer neither/other option respondents presidential poll never yield skew result highlight poll design methodologies yield significantly differ result important differences emerge way question frame economist/yougov poll like reuters/ipsos survey conduct online use similar battery question offer neither/other option other economist/yougov july 17 poll clinton ahead percentage point among register voters trump 41 percent nbc news/surveymonkey online poll give three options clinton trump answer firmly prod respondents make choice july 17 poll clinton lead trump one point 46 45 among register voters telephone poll tend ask voter preference open-ended question offer respondents choice democratic republican candidates among phone poll abc news/washington post nbc/wall street journal survey clinton recently lead four five point cbs/new york time telephone poll register voters race tie 40 percent reuters/ipsos presidential-preference poll result result survey update twice week year 'neither reuters/ipsos tweak u.s. presidential poll