Early, easy The early questions in a survey should be easy and pleasant to answer. Grouping together questions on the same topic also makes the questionnaire easier to answer. Leave difficult or sensitive questions until near the end of your survey.Early，easy „The early questions in a survey should be easy and pleasant to answer. „ Grouping together questions on the same topic also makes the questionnaire easier to answer. „Leave difficult or sensitive questions until near the end of your survey