When Should an Extraneous Variable Be Included as Part of the Study's

question 1

Multiple Choice

When should an extraneous variable be included as part of the study's design?

• A) When it is nonmodifiable, such as age or gender
• B) When it is an important consideration for the outcome
• C) When the researcher is limited by time and monetary issues
• D) When it would not make a difference to the overall study outcome

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