If a Two-Factor Analysis of Variance Produces a Statistically Significant

question 24

Multiple Choice

If a two-factor analysis of variance produces a statistically significant interaction between the two factors A and B,then what can you conclude about the main effects for A and B?​

• A)​Either the main effect for factor A or the main effect for factor B is also significant.
• B)​Both the main effect for factor A and the main effect for factor B are significant.
• C)​Neither the main effect for factor A nor the main effect for factor B is significant.
• D)​The significance of the main effects is not related to the significance of the interaction.

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Definitions:

Enteric Nervous System

A subdivision of the peripheral nervous system that directly controls the gastrointestinal system.

Digestive Tract

The passage leading from the mouth to the anus through which food passes as it is digested.

Brain

The organ located in the skull, responsible for coordinating sensation, intellectual and nervous activity.

Autonomic Nervous System

The part of the nervous system that unconsciously controls the functions of internal organs and glands.