When Evaluating the Design of a Research Study, We Can

question 2

Multiple Choice

When evaluating the design of a research study, we can utilize the hierarchy of evidence. With which of the following factors does the hierarchy rank research designs?

• A)Publication date
• B)Length of study
• C)Bias
• D)Number of subjects

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Definitions:

CaCO3

Calcium carbonate, a chemical compound found in rocks as the minerals calcite and aragonite, and is the main component of pearls, as well as marine organisms' shells.

CO2

Carbon Dioxide, a colorless, odorless gas produced by burning carbon and organic compounds and by respiration.

CaO

Calcium oxide, a white, caustic, alkaline crystalline solid commonly known as quicklime, used in cement production and various chemical processes.

Liters

A metric unit of volume equal to one cubic decimeter, commonly used to measure liquids and gases.