Certified Advanced Alcohol and Drug Counselor (CAADC) Practice Exam

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Prepare for the Certified Advanced Alcohol and Drug Counselor Exam. Practice with flashcards and multiple choice questions, each offering hints and thorough explanations. Get prepared for success!

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If you were conducting a study on the effects of alcohol on motor skills, what would you give your control group?

A high dosage of alcohol
The same amount of alcohol as the experimental group
No alcohol
A motor skill pretest

The correct answer is: No alcohol

In a study designed to assess the effects of alcohol on motor skills, giving the control group no alcohol is essential for establishing a baseline against which the effects of alcohol can be measured. By ensuring that the control group does not receive any alcohol, researchers can observe and compare the performance of participants who are subject to the influence of alcohol with those who are not. This allows for a clearer interpretation of the results, as any differences in motor skill performance can be attributed directly to alcohol consumption rather than other variables. Providing a high dosage of alcohol to the control group would not serve as a control at all, but rather as part of the experimental condition, thus compromising the integrity of the study. Similarly, giving the same amount of alcohol to the control group as to the experimental group would eliminate the very contrast necessary to gauge the effects of alcohol. Conducting a motor skill pretest without administering alcohol does not adequately fulfill the role of a control group, as it does not account for the physiological effects of alcohol on performance. Therefore, having a control group that receives no alcohol is vital for the reliability and validity of the research findings.