Survey vs Questionnaire: The Difference

The questionnaire: an instrument you can field as-is

This is what most people mean when they say either word — the questions themselves. A questionnaire is judged on whether each item is answerable, unambiguous, and free of leading wording, entirely independently of who ends up filling it in. You can write a perfect questionnaire and still have a worthless survey.

• How often do you use this product?

  Single choice
  DailyA few times a weekA few times a monthLess oftenThis was my first time

• How satisfied are you overall?

  Single choice
  Very satisfiedSatisfiedNeither satisfied nor dissatisfiedDissatisfiedVery dissatisfied

• What are you mainly using it for?

  Long text

• Which of these have caused you problems? Select all that apply.

  Select all that apply
  Getting startedA missing featureSpeedSomething brokePricingNo problems

• How likely are you to keep using it over the next six months?

  Single choice
  Very likelyLikelyNot sureUnlikelyVery unlikely

• What would you change first?

  Long text

What turns a questionnaire into a survey

These are the questions that exist because you are trying to describe a population rather than collect opinions from whoever turned up. Screening decides who counts, and the segmentation variables are what let you check whether your respondents actually resemble the group you claim to be measuring. Drop this group and you have a feedback form, which is fine — just do not report the result as a survey of anyone.

• Which of these describes you?

  Single choice
  I currently use the productI used it in the pastI have never used it

  A screening question. Its job is to route or end the form, not to be analyzed — decide before fielding what happens on each branch.

• How did you receive this survey?

  Single choice
  Email invitationA link on the websiteSocial mediaSomeone shared it with meNot sure

  Records the recruitment channel per respondent, which is the only way to see afterward whether one channel skewed your sample.

• Which country do you live in?

  Short text

• Which age group are you in?

  Single choice
  18-2425-3435-4445-5455-6465 or olderPrefer not to say

  Here as a segmentation variable, not as demographic curiosity — it is what you compare against known population figures to see how far off your sample is.

• How long have you been a customer?

  Single choice
  Less than 6 months6-12 months1-3 yearsMore than 3 years

Consent and administration

The administration layer belongs to the survey, not the questionnaire, and it is the part people most often skip. Anonymous and confidential are not synonyms: anonymous means you cannot identify the respondent at all, confidential means you can but will not. Say which one is true, because saying the wrong one is a promise you will break.

• Do you agree to take part in this survey?

  Single choice
  YesNo

• May we contact you to follow up on your answers?

  Single choice
  YesNo

  Asking this converts an anonymous survey into a confidential one. If you ask it, stop describing the survey as anonymous.

• Would you like a copy of the results when they are published?

  Single choice
  YesNo

  Raises completion noticeably in research contexts, and costs nothing if you actually send them.

• What is your email address? (optional)

  Short text

  Keep it optional and keep it last. An email field early in a form is read as a signal that the answers are not anonymous, which changes how honestly people answer everything above it.

Checking the instrument worked

A pilot with ten people catches more problems than any amount of internal review, and these are the questions that surface them. Run them on a small group first, fix what they reveal, then field the real thing — this group does not need to ship in the final version.

• How long did this take you to complete?

  Single choice
  Under 2 minutes2-5 minutes5-10 minutesMore than 10 minutes

  Compare against the estimate you put in the invitation. Underestimating length is one of the more reliable ways to depress completion on your next survey.

• Was any question confusing or hard to answer?

  Single choice
  YesNo

• Which question, and what was confusing about it?

  Long text

• Did any question lack an option that fit your situation?

  Single choice
  YesNo

• Is there anything we should have asked?

  Long text

Try it live

The same questions, asked one at a time

This is a working form built from the questions above — answer it the way a respondent would, then take it into your own account with one click.

See how conversational forms ask these one at a time →

Frequently asked questions

Is a questionnaire the same thing as a survey?

No. The questionnaire is the set of questions; the survey is the entire process of defining a population, reaching a sample of it, fielding the questionnaire, and analyzing the answers. In everyday use the words get swapped freely and usually nothing is lost — the distinction starts to matter when you report results as representing a group of people.

When does the difference actually matter?

When you make a claim about a population. "Sixty percent of our customers are satisfied" is a survey claim, and it depends on who you asked and how you reached them, not just on the questions. If you posted a link and took whoever answered, you have questionnaire responses, and the honest framing is "of the people who responded".

Does a questionnaire have to be written down?

It has to be fixed, not necessarily written. A structured interview where every respondent is asked the same questions in the same order is using a questionnaire even when it is read aloud. What separates it from a conversation is that the instrument does not change between respondents.