Google Data Analytics #12_Data Credibility

tpgk21·2022년 6월 28일
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[Google] Data Analytics

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12/15
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Data Bias

  • a type of error that systemically skews results in a certain direction

  • Sampling Bias : when a sample is not representative of the population as a whole

    • ex. getting surveys not done by all identifiers in a specific specturm (only man or only woman)
  • Observer Bias (experimenter bias / research bias)

    • the tendency for differnet people to observe things differently
    • ex. manual blood pressure measurement
  • Interpretation Bias

    • the tendency to alaways interpret ambiguous situations in a positive or negative way
  • Confirmation Bias
    • the tendency to search for or interpret information in a way that confirms pre-existing beliefs
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