Important information about Extraneous Variables

Would you help me with the following:

Think about times when extraneous variables may have impacted your performance on a test, for example. consider when extraneous variables become confounding variables. Do you think these variables can really alter the results of a study? Why? Are the extraneous or the confounding variables a more significant methodological problem?

Solution Summary

Extraneous Variables are clearly explored in this case. References are also infused to validate the findings.