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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