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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Definitions:

Manufacturing Overhead

All indirect costs associated with manufacturing a product, such as utilities, supplies, and salaries not directly tied to production.

Activity Base

A measure used for allocating costs to a product or service, typically based on the extent to which the product or service uses that activity.

Predetermined Overhead Rate

An estimated rate used to assign overhead costs to products or job orders, based on a particular activity base, before the actual costs are known.

Underapplied Overhead

A condition where the allocated manufacturing overhead is less than the actual overhead costs incurred, leading to a shortfall.