What steps can a researcher take to limit variability

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Reference no: EM131307592

1. Explain how the process of matching attempts to keep participant characteristics from becoming confounding variables in a between-subjects design.

2. Describe how external validity can be limited when a researcher holds participant variables constant to prevent them from becoming confounding variables in a between-subjects experiment.

3. What steps can a researcher take to limit the variability within treatments?

Reference no: EM131307592

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