An Experiment Is Conducted to Examine the Effects of a Certain

question 47

Multiple Choice

An experiment is conducted to examine the effects of a certain drug on rats.A pair of rats is housed in a cage.Suppose that the drug is to be given by injection.One drug treatment is assigned to one of the rats in a cage,while the other drug is assigned to the other rat.What is the experimental unit/subject?

• A)The cage
• B)The rats
• C)The drug
• D)None of the above