A Group of Researchers Wanted to Determine Whether Animals Would

Multiple Choice

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:

A) the amount of drug each animal is given (low dose or none)
B) the type of animal the researcher selects for the study
C) the number of trials it takes for each animal to learn the maze
D) the age of the animals selected