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A Researcher Wanted to Compare the Relative Effectiveness of Two

question 52

Multiple Choice

A researcher wanted to compare the relative effectiveness of two techniques for reducing anxiety: a drug and a relaxation exercise.The researcher gave the experimental group both the drug and the relaxation exercise.The control group was given neither the drug nor the exercise.The difference between the drug and the relaxation exercise cannot be compared in this experiment because the experiment involves a


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Liter

A metric unit of volume equal to 1,000 milliliters or about 0.264 gallons.

Kilograms

A unit of mass in the metric system equal to 1,000 grams.

Grams

A mass measurement unit representing 0.001 of a kilogram.

Pounds

A unit of weight commonly used in the United States, equal to 0.453592 kilograms.

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