Undesired Variables That May Influence the DV and Thus Invalidate

question 99

Multiple Choice

Undesired variables that may influence the DV and thus invalidate the experiment are known as _________ variables.

• A) independent
• B) dependent
• C) extraneous
• D) parsimonious

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Definitions:

Endolymph

Endolymph is a fluid within the inner ear that fills the cochlear duct and vestibular system, essential for hearing and maintaining balance.

Perilymph

The fluid that is found within the inner ear's bony labyrinth, surrounding and protecting the membranous labyrinth.

Eardrum

A thin membrane that separates the external ear from the middle ear, vibrating in response to sound waves.

Tympanic Membrane

A thin, cone-shaped membrane that separates the external ear from the middle ear and vibrates in response to sound waves.