Why Are Extraneous Variables Problematic

question 19

Multiple Choice

Why are extraneous variables problematic?

• A) The operational definitions of extraneous variables are poor.
• B) The extraneous variables are purposely manipulated by the researcher.
• C) Extraneous variables are usually measured on a Likert scale.
• D) The researcher does not know if the results are due to the independent variable or to the extraneous variables.

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Definitions:

Localize Sounds

The ability to determine the location or origin of a sound source in the environment.

Outer Ear

The external portion of the ear, consisting of the pinna and the ear canal, which collects sound waves and directs them inward.

Basic Scents

Fundamental or primary odors that are universally recognized, such as floral, fruity, woody, and spicy, which form the basis of our sense of smell.

Organ of Corti

A structure located in the cochlea of the inner ear, containing hair cells that act as sensory receptors for sound.