Why Are Extraneous Variables Limited or Eliminated in a Well-Designed

question 6

Multiple Choice

Why are extraneous variables limited or eliminated in a well-designed study?

• A) More research questions would be required to define the extraneous variable.
• B) Extraneous variables compete with the dependent variable as an explanation of the study's outcome.
• C) Extraneous variables compete with the independent variable as an explanation of the study's outcome.
• D) Manipulation of extraneous variables increases the risk for researcher bias in the study's outcome.

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Cure for the Disorder

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