A Researcher Is Conducting an Experiment on the Effect of Alcohol

question 220

Multiple Choice

A researcher is conducting an experiment on the effect of alcohol consumption on reaction time and half of the subjects drink alcoholic drinks and half drink non-alcoholic versions of the same drinks.The subjects receiving the non-alcoholic drinks are the ____ group and are used in the study to minimize the influence of ____.

• A) experimental; sampling bias
• B) experimental; the placebo effect
• C) control; sampling bias
• D) control; the placebo effect

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Definitions:

Abnormal Radiological

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Placenta Previa

A pregnancy complication where the placenta covers the opening of the cervix, potentially causing severe bleeding before or during delivery.

Hemorrhage

The escape of blood from a ruptured blood vessel, which can be internal or external.

Gestation

The period of time between conception and birth during which a fetus develops inside a mother's uterus.