Researchers gave participants varying amounts of a new "memory" drug.Then they gave them a story to read, and measured their scores on a quiz.The _____ would be the independent variable (IV)and the _____ would be the dependent variable (DV).
A)response to the drug; amount of the drug
B)experimental group; control group
C)amount of the drug; quiz scores
D)researcher variables; extraneous variables

Question

Quizplus · Accepted Answer

The independent variable (IV) is the variable that is manipulated by the researchers, which in this case is the "amount of the drug." The dependent variable (DV) is the outcome that is measured, which here is the "quiz scores."

Researchers Gave Participants Varying Amounts of a New "Memory" Drug