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  2. Conjoint analysis - Wikipedia

    en.wikipedia.org/wiki/Conjoint_analysis

    Example choice-based conjoint analysis survey with application to marketing (investigating preferences in ice-cream) Conjoint analysis is a survey-based statistical technique used in market research that helps determine how people value different attributes (feature, function, benefits) that make up an individual product or service.

  3. Water-level task - Wikipedia

    en.wikipedia.org/wiki/Water-level_task

    [8] [1] One typical study from 1989 found that 32% of college women failed the test, compared to 15% of college men. [8] A 1995 experiment found that 50% of undergraduate males and 25% of females performed "very well" on the task and 20% of males and 35% of females performed "poorly". [1] Similar sex differences have been confirmed ...

  4. Longitudinal study - Wikipedia

    en.wikipedia.org/wiki/Longitudinal_study

    A longitudinal study (or longitudinal survey, or panel study) is a research design that involves repeated observations of the same variables (e.g., people) over long periods of time (i.e., uses longitudinal data). It is often a type of observational study, although it can also be structured as longitudinal randomized experiment. [1]

  5. 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.

  6. Self-report study - Wikipedia

    en.wikipedia.org/wiki/Self-report_study

    For example if an interview is used to investigate sixth grade students' attitudes toward smoking, the scores could be compared with a questionnaire of former sixth graders' attitudes toward smoking. Results of self-report studies have been confirmed by other methods.

  7. Survey data collection - Wikipedia

    en.wikipedia.org/wiki/Survey_data_collection

    With the application of probability sampling in the 1930s, surveys became a standard tool for empirical research in social sciences, marketing, and official statistics. [1] The methods involved in survey data collection are any of a number of ways in which data can be collected for a statistical survey. These are methods that are used to ...

  8. Response bias - Wikipedia

    en.wikipedia.org/wiki/Response_bias

    A survey using a Likert style response set. This is one example of a type of survey that can be highly vulnerable to the effects of response bias. Response bias is a general term for a wide range of tendencies for participants to respond inaccurately or falsely to questions.

  9. Survey (human research) - Wikipedia

    en.wikipedia.org/wiki/Survey_(human_research)

    Surveys may be conducted by phone, mail, via the internet, and also in person in public spaces. Surveys are used to gather or gain knowledge in fields such as social research and demography. Survey research is often used to assess thoughts, opinions and feelings. [1] Surveys can be specific and limited, or they can have more global, widespread ...