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What is the main advantage of using a double-blind study in research?

  1. A
    It is less expensive to conduct
  2. B
    It simplifies data analysis
  3. C
    It requires fewer participants
  4. D
    It eliminates researcher bias

Solution & Step-by-step Explanation

In a double-blind study, neither the participants nor the researchers interacting with them know who belongs to the experimental group or the control group. This setup crucially eliminates both observer/researcher bias and participant expectations.

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What is the main advantage of using a double-blind study in research?
A
It is less expensive to conduct
B
It simplifies data analysis
C
It requires fewer participants
D
It eliminates researcher bias

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Research MethodologyScientific Methods

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