[完形填空]  Itshouldbenotedthatonedoesnotstartbyquestions.Firstly.wehavetodecide'whatarethethingsoneneedstoknowfromtherespondentinordertomeetthesurvey'sobjectives?'，weshoulddecidethetargetrespondents.Attheoutset,theresearchermustdefinethepopulationaboutwhichhe/shewishestogeneralisefromthesampledatatobecollected.Thirdly,wehavetodecidethequestioncontents.openingquestionsshouldbegeneralandeasytoanswersothattherespondentshavethepatiencetofinishnext.andthenwecanoffersomespecificquestionsgetmoredatafromtherespondents..wecouldn’tignorethephysicalappearanceofourquestionnaires.Ifourquestionnaireslooklikeamess.Peoplewouldnotbewillingtousanswerourquestions....