If an experimenter wanted to find out if taking a multi-vitamin daily reduced the number of colds experienced by students during the fall semester of school, taking the daily multi-vitamin would be the _______ variable.

Question

Quizplus · Accepted Answer

The independent variable is the variable that is manipulated or changed in an experiment to see if it has an effect on another variable. In this case, taking a daily multi-vitamin is the variable being manipulated to observe its effect on the number of colds, making it the independent variable.

If an Experimenter Wanted to Find Out If Taking a Multi-Vitamin