In an experiment, the __________ __________ is manipulated by the researcher, and its effects on the __________ __________ are measured at the end of the study. A researcher investigates the...

In an experiment, the __________ __________ is manipulated by the

researcher, and its effects on the __________ __________ are measured

at the end of the study.

A researcher investigates the effectiveness of a new antidepressant drug.

She randomly assigns depressed patients to two groups. Group 1 is given

the drug, and Group 2 is given a placebo. At the end of the experiment,

the level of depression of all participants is measured as a score on a test

called a depression inventory. Match the elements of this experiment with

the appropriate term.

_____ ( 1 ) score on depression inventory

_____ ( 2 ) the antidepressant drug

_____ ( 3 ) Group 1

_____ ( 4 ) Group 2

a. experimental group

b. control group

c. independent variable

d. dependent variable