04-Gather Useful Data complete

The effect of a confounding variable on the response

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: le and also is related to the explanatory variable. The effect of a confounding variable on the response variable cannot be separated from the effect of the explanatory variable. Confounding variables might be measured and accounted for in the analysis, or they could be unmeasured lurking variables. Confounding variables are especially a problem in observational studies. Randomized experiments help control the influence of confounding variables. Try It! Student’s Health Study A researcher at the University of Michigan believes that the number of times a student visits the Student Health Center (SHC) is strong...
View Full Document

{[ snackBarMessage ]}

Ask a homework question - tutors are online