1. What is Variables ?

How do you control confounding variables?

Ways to control confounding variables so they do not affect the results of your experiment include:

Adjustment: Adjust study parameters to account for the confounding variable and minimize its effects.

Matching: Compare study groups with the same degree of confounding variables.

Multivariate analysis: Use when analyzing multiple variables at once.

Randomization: Spread confounding variables evenly between study groups.

Restriction: Remove subjects or samples that have confounding factors.

Stratification: Create study subgroups in which the confounding variable does not vary or vary much.

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