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Difference between survey and experiment

Survey and questionnaire are the two methods of data acquisition, from the interviewees, based on the interrogation. Both are methods used in the collection of primary data, both for the marketing of a product, and for the collection of information from people on social problems. The polls they are the conventional way of conducting research in which respondents are questioned, in relation to their behavior, awareness, motivation, demographics and other characteristics.

Vice versa, i questionnaires they are a tool for acquiring data on a particular topic, which involves distributing modules that include questions related to the topic under consideration. This article was introduced to introduce you to the differences between survey and questionnaire.

Comparative chart

Basis for comparison Survey Questionnaire
Sense Survey refers to the collection, recording and analysis of information on a particular topic, area or group of people. The questionnaire involves a form containing a list of questions already asked, delivered to people to obtain statistical information.
What is it? Data collection and analysis process Data collection tool
Time Time consuming process Fast process
Use conducted on the target audience. distributed or delivered to respondents.
Questions Open / close end Closed closed
answers Subjective or Objective Objective

Survey definition

The term survey means a research process, used for the collection and orderly analysis of information, by a group of people to measure opinions, thoughts, experiences, etc. It does not just collect information using questions, but also includes observations, measurement, data evaluation and researcher judgment.

A survey can take different forms like a survey of the whole population known as the census, but it can also be conducted on a representative sample of a group in order to draw conclusions on a larger population. A sample survey is a widely used method because of its cost effectiveness, speed and practical approach. There are many ways of conducting surveys:

  • Face-to-face investigation (interview)
  • Survey
  • Telephone survey
  • Postal or postal survey
  • Internet based survey
    • Email survey
    • Web-based survey

Definition of the questionnaire

The term questionnaire refers to a form, which contains a series of survey questions, designed in this way, in order to extract certain information from the interviewee. The tool includes questions, instructions and spaces for answers. The questions to be asked are so structured, to obtain direct information from the interviewees.

A questionnaire has a written and printed format, delivered or distributed to people to provide answers to facts or opinions. The surveyor uses these answers for statistical analysis. It is mainly used to collect factual information, with the intention of forking people and their circumstances.

Key differences between survey and questionnaire

The difference between survey and questionnaire can be clearly traced for the following reasons:

  1. The term survey indicates the collection, recording and analysis of information on a particular topic, area or group of people. The questionnaire involves a form containing a set of ready-made questions, given to people for statistical information.
  2. The investigation is a process of collecting and analyzing data from the population. On the contrary, the questionnaire is a tool used in the acquisition data.
  3. The survey is a time consuming process, while the questionnaire is the least time consuming method of data acquisition.
  4. The survey is conducted while the questionnaire is delivered, distributed or sent to respondents.
  5. In a survey, the questions asked in the survey can be opened or closed, which depends on the topic for which the survey is conducted. On the other hand, only closed questions can be included in the questionnaire.
  6. The answer given by the interviewees during the survey can be subjective or objective depending on the question. Instead, respondents provide objective answers to the questionnaire.


'Survey' is a generic term that includes a questionnaire, an interview, an observation method as a tool for gathering information. Although, the best, fastest and cheapest way to conduct a survey, the questionnaire. Surveys are usually conducted for research or studies, while the questionnaire is used only to collect information such as job application or patient history, etc.