A group of researchers wanted to determine whether animals would be slower in learning a maze when they had been exposed to a particular drug.Half the animals received low doses of the drug, and the other half did not receive the drug.The researchers then counted how many times the animals had to run through the maze before they learned it.In this study, the independent variable is:

Question

Quizplus · Accepted Answer

The independent variable is the variable that is being manipulated or changed in the study, and in this case, it is the amount of drug each animal receives (either a low dose or no dose at all). The other options (B, C, and D) are not being manipulated in this study and therefore cannot be the independent variable.

A Group of Researchers Wanted to Determine Whether Animals Would