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2. Data collection system - Wikipedia

   en.wikipedia.org/wiki/Data_collection_system

   Data collection system ( DCS) is a computer application that facilitates the process of data collection, allowing specific, structured information to be gathered in a systematic fashion, subsequently enabling data analysis to be performed on the information. [1] [2] [3] Typically a DCS displays a form that accepts data input from a user and ...

3. 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.

4. Survey data collection - Wikipedia

   en.wikipedia.org/wiki/Survey_data_collection

   The survey, form, app or collection tool is on a mobile device such as a smart phone or a tablet. These devices offer innovative ways to gather data, and eliminate the laborious "data entry" (of paper form data into a computer), which delays data analysis and understanding. By eliminating paper, mobile data collection can also dramatically ...

5. Sampling (statistics) - Wikipedia

   en.wikipedia.org/wiki/Sampling_(statistics)

   Sampling (statistics) In statistics, quality assurance, and survey methodology, sampling is the selection of a subset or a statistical sample (termed sample for short) of individuals from within a statistical population to estimate characteristics of the whole population. The subset is meant to reflect the whole population and statisticians ...

6. Case report form - Wikipedia

   en.wikipedia.org/wiki/Case_report_form

   A case report form (or CRF) is a paper or electronic questionnaire specifically used in clinical trial research. [1] The case report form is the tool used by the sponsor of the clinical trial to collect data from each participating patient. All data on each patient participating in a clinical trial are held and/or documented in the CRF ...

7. Survey methodology - Wikipedia

   en.wikipedia.org/wiki/Survey_methodology

   Survey methodology is "the study of survey methods". 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.

8. List of psychological research methods - Wikipedia

   en.wikipedia.org/wiki/List_of_psychological...

   Program evaluation. Quasi-experiment. Self-report inventory. Survey, often with a random sample (see survey sampling) Twin study. Research designs vary according to the period (s) of time over which data are collected: Retrospective cohort study: Participants are chosen, then data are collected about their past experiences.

9. Statistics - Wikipedia

   en.wikipedia.org/wiki/Statistics

   Statistics is a mathematical body of science that pertains to the collection, analysis, interpretation or explanation, and presentation of data, [8] or as a branch of mathematics. [9] Some consider statistics to be a distinct mathematical science rather than a branch of mathematics. While many scientific investigations make use of data ...