Collecting Data

How data is collected

  • Interviews

  • Observations

    The scientists use a lot of observations.

  • Forms

  • Questionnaires

  • Surveys

  • Cookies

    It's widely used on the Internet.

Considerations

  • How data will be collected

  • Choose data sources

    • First-party data: This is data collected by an individual or group using their own resources.

    • Second-party data: The data collected by a group directly from its audience and then sold.

    • Third-party data: The data collected from outside sources who did not collect it directly.

  • Decide what data to use

    If you needed an answer immediately, you'd have to use historical data, which is data that already exists.

  • How much data to collect

    • A population refers to all possible data values in a certain data set.

    • A sample is a part of a population that is representative of the population.

  • Select the right data type

  • determine the time frame

data-collection