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how does confounding variable affect the validity

Sagot :

Animeeditor3990go

Answer:

Confounding variables are common in research and can affect the outcome of your study. This is because the external influence from the confounding variable or third factor can ruin your research outcome and produce useless results by suggesting a non-existent connection between variables.

Explanation:

Imgorgeusgo

Answer:

To ensure the internal validity of your research, you must account for confounding variables. ... Even if you correctly identify a cause-and-effect relationship, confounding variables can result in over- or underestimating the impact of your independent variable on your dependent variable.

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