Allow a“Don't Know'or “Not Applicable' ☐Allow a“Don't Know”or“Not Applicable response to all questions,except to those in which you are certain that all respondents will have a clear answer
Allow a “Don't Know” or “Not Applicable” Allow a “Don't Know” or “Not Applicable” response to all questions, except to those in which you are certain that all respondents will have a clear answer
Include“Other”or“Noe ☐Include“Other''or“None”whenever either of these is a logically possible answer. When the answer choices are a list of possible opinions,preferences,or behaviors,you should usually allow these answers
Include “Other” or “None” Include “Other” or “None” whenever either of these is a logically possible answer. When the answer choices are a list of possible opinions, preferences, or behaviors, you should usually allow these answers
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