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  2. Survey data collection - Wikipedia

    en.wikipedia.org/wiki/Survey_data_collection

    As they are not dependent on internet access and the answers can be sent when its convenient, they are a suitable mobile survey data collection channel for many situations that require fast, high volume responses. As a result, SMS surveys can deliver 80% of responses in less than 2 hours [14] and often at much lower cost compared to face-to ...

  3. Response rate (survey) - Wikipedia

    en.wikipedia.org/wiki/Response_rate_(survey)

    A U.S. National Agricultural Statistics Service statistician explains response rate data at a 2017 briefing to clarify the context of crop production data. In survey research, response rate, also known as completion rate or return rate, is the number of people who answered the survey divided by the number of people in the sample.

  4. Survey sampling - Wikipedia

    en.wikipedia.org/wiki/Survey_sampling

    Bias in surveys is undesirable, but often unavoidable. The major types of bias that may occur in the sampling process are: Non-response bias: When individuals or households selected in the survey sample cannot or will not complete the survey there is the potential for bias to result from this non-response.

  5. Questionnaire construction - Wikipedia

    en.wikipedia.org/wiki/Questionnaire_construction

    Usability testing focuses on how people interact with the survey, such as navigating the survey, entering survey responses, and finding help information. Vignettes are short descriptions of hypothetical situations that are presented to research participants to examine their survey-relevant decisions. [14] [15]

  6. Survey methodology - Wikipedia

    en.wikipedia.org/wiki/Survey_methodology

    Survey methodology is "the study of survey methods". [1] As a field of applied statistics concentrating on human-research surveys, survey methodology studies the sampling of individual units from a population and associated techniques of survey data collection, such as questionnaire construction and methods for improving the number and accuracy of responses to surveys.

  7. Questionnaire - Wikipedia

    en.wikipedia.org/wiki/Questionnaire

    A questionnaire is a research instrument that consists of a set of questions (or other types of prompts) for the purpose of gathering information from respondents through survey or statistical study. A research questionnaire is typically a mix of close-ended questions and open-ended questions.

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