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Research Methods: Variables and Measurement Instruments

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Why is it important to know the variables within a research study? What are the benefits and possible drawbacks of using online polls, paper surveys, or face to face interviews as a measurement instrument?

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The solution outlines the importance of variables within a research study and the benefits/disadvantages of using online polls, paper surveys or face-to-face interviews as a measurement instrument

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It is important to know the variables within a research study as you can identify correlation and causation and consider confounding variables to your study.

Benefits in using on-line polls, paper surveys ...

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