Stephanie conducts an experiment to learn if brunettes have more fun. She has three brunette female friends and three blonde female friends go to the same party and record how many times they are asked to dance. When Stephanie discovers that two of the three brunette friends in her experiment are terrible dancers, she realizes that her results may be invalid due to

Question

Quizplus · Accepted Answer

A confounding variable is a variable that is not being measured in the experiment, but that could be the actual cause of the observed effect. In this case, the fact that two of the three brunette friends are terrible dancers could be a confounding variable that affects the number of times they were asked to dance, rather than their hair color. This means that the experiment does not isolate the effect of hair color on the outcome, and the results may be invalid.

Stephanie Conducts an Experiment to Learn If Brunettes Have More