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  2. Data collection - Wikipedia

    en.wikipedia.org/wiki/Data_collection

    Data collection or data gathering is the process of gathering and measuring information on targeted variables in an established system, which then enables one to answer relevant questions and evaluate outcomes. Data collection is a research component in all study fields, including physical and social sciences, humanities, [2] and business ...

  3. Quantitative research - Wikipedia

    en.wikipedia.org/wiki/Quantitative_research

    Collection of empirical data; Modeling and analysis of data; Quantitative research is often contrasted with qualitative research, which purports to be focused more on discovering underlying meanings and patterns of relationships, including classifications of types of phenomena and entities, in a manner that does not involve mathematical models. [7]

  4. Data analysis - Wikipedia

    en.wikipedia.org/wiki/Data_analysis

    Data collection or data gathering is the process of gathering and measuring information on targeted variables in an established system, which then enables one to answer relevant questions and evaluate outcomes. The data may also be collected from sensors in the environment, including traffic cameras, satellites, recording devices, etc.

  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. Questionnaire construction - Wikipedia

    en.wikipedia.org/wiki/Questionnaire_construction

    Pretesting is testing and evaluating whether a questionnaire causes problems that could affect data quality and data collection for interviewers or survey respondents. Pretesting methods can be quantitative or qualitative, and can be conducted in a laboratory setting or in the field. [9] [10] [11]

  7. Statistics - Wikipedia

    en.wikipedia.org/wiki/Statistics

    Although the term statistic was introduced by the Italian scholar Girolamo Ghilini in 1589 with reference to a collection of facts and information about a state, it was the German Gottfried Achenwall in 1749 who started using the term as a collection of quantitative information, in the modern use for this science.

  8. Questionnaire - Wikipedia

    en.wikipedia.org/wiki/Questionnaire

    A basic questionnaire in Thai. 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.

  9. Data collection system - Wikipedia

    en.wikipedia.org/wiki/Data_collection_system

    Data collection systems are an end-product of software development. Identifying and categorizing software or a software sub-system as having aspects of, or as actually being a "Data collection system" is very important. This categorization allows encyclopedic knowledge to be gathered and applied in the design and implementation of future systems.