In an experiment, if there are two groups of drivers being studied and one group is given alcohol to measure its effects on driving ability while the other group is not given the alcohol, the alcohol would be considered the ______.
A) dependent variable
B) experimental control
C) experimental blind
D) independent variable

Question

Quizplus · Accepted Answer

The alcohol is being manipulated by the researchers, meaning it is the independent variable. The dependent variable would be the driving ability of the participants, which is being measured and affected by the independent variable (the alcohol). Experimental control refers to efforts made to minimize extraneous variables that could affect the outcome of the experiment. Experimental blind refers to participants not knowing which group they have been assigned to in order to reduce bias.

In an Experiment, If There Are Two Groups of Drivers