What Is the Main Limitation of Randomized Block Designs

question 61

Multiple Choice

What is the main limitation of randomized block designs?

• A)They require an equal number of rows,columns,and treatment levels,which is sometimes problematic.
• B)They do not allow the researcher to examine interactions of the external variables with each other or with the independent variable.
• C)The researcher can control for only one external variable.
• D)The number of treatment combinations increases multiplicatively with an increase in the number of variables or levels.

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A government-imposed restriction on the quantity of goods that can be imported (quota) or a tax levied on imported goods (tariff).

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People or family units in a nation who buy products and services for their own consumption.

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A tax imposed by a government on goods and services imported from other countries, aiming to protect domestic industries.