Dylan Is Interested in Finding Out How Sensitive His Roommate

question 27

Multiple Choice

Dylan is interested in finding out how sensitive his roommate is to sound. While he is watching TV, Dylan gradually turned up the volume on his stereo. Over the course of several days, Dylan did this a number of times and each time recorded the volume at which his roommate complained. This may be considered a study of _____, and the independent variable is the volume _____.

• A)psychometrics; at which the roommate complains
• B)psychometrics; on the stereo
• C)psychophysics; at which the roommate complains
• D)psychophysics; on the stereo

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Definitions:

Ventral Roots

The efferent motor root of a spinal nerve, through which motor neurons exit the spinal cord.

Spinal Nerves

Nerves that emerge from the spinal cord, crucial for transmitting motor, sensory, and autonomic signals between the spinal cord and the body.

Meninges

The three protective membranes that cover the brain and spinal cord.

Dura Mater

The tough outermost layer of the three membranes (meninges) covering the brain and spinal cord.