Aresearcher is looking at the effect of drinking alcohol on the ability to play darts. half of the participants drink a pint of beer, while the other half drink a pint of water. all participants throw three darts at a dartboard and have the score recorded. how is this experiment best summarized

Independent variable is the amount of alcohol drunk. Dependent variable is the 3 dart score.  

Explanation:

            In psychology, an independent variable is a variable that can not be measured by the experimenter or the researcher. It can only be manipulated or can be controlled by the researcher.

            Whereas a dependent variable is the variable which can be measured by the person dong the study.

            Here, since the experimenter can not control the amount of alcohol taken by the participants, thus the the amount of alcohol drunk is the independent variable. While the 3 darts that can be measured by the experimenter is considered as the dependent variable.

Hence the answer is ---

Independent variable is the amount of alcohol drunk. Dependent variable is the 3 dart score.

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