What Is the Main Limitation of Randomized Block Designs

question 83

Multiple Choice

What is the main limitation of randomized block designs?

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

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