In a Study of Reaction Times, the Time to Respond

question 36

Multiple Choice

In a study of reaction times, the time to respond to a visual stimulus (x) and the time to respond to an auditory stimulus (y) were recorded for each of 8 subjects. Times were measured in thousandths of A second. The results are presented in the following table.

$\begin{array} { c c } \hline \text { Visual } & \text { Auditory } \\\hline 201 & 241 \\164 & 237 \\189 & 243 \\168 & 243 \\190 & 244 \\239 & 247 \\169 & 237 \\236 & 244 \\\hline\end{array}$

Construct a 99% confidence interval for the mean auditory response time for subjects with a visual Response time of 171.

• A) (231.15, 248.69)
• B) (235.56, 244.28)
• C) (236.23, 243.61)
• D) (229.58, 250.26)

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Definitions:

Pain Receptors

Specialized nerve endings found throughout the body that detect painful stimuli and send signals to the brain, officially known as nociceptors.

Afferent

Referring to nerve fibers that carry sensory signals toward the central nervous system.

Efferent

Referring to nerve fibers that carry impulses away from the central nervous system to the effector organs (muscles, glands).

Somatosensory Cortices

Regions of the brain that process sensory information from various parts of the body, including touch, temperature, and pain.