What Is the Main Disadvantage of Factorial Designs

question 14

Multiple Choice

What is the main disadvantage of factorial 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:

Isotonic Solution

A solution that has the same osmotic pressure as the fluid in a cell, leading to no net movement of water into or out of the cell.

Red Blood Cells

The cells in the blood primarily responsible for carrying oxygen from the lungs to the rest of the body, using the protein hemoglobin.

Hypertonic

Describes a fluid that has a high overall solute concentration relative to another fluid.

Turgor

Pressure that a fluid exerts against a structure that contains it.