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:

Mental Hygiene Movement

A movement started by Dorothea Dix (1802–1887), a Boston schoolteacher, characterized by a desire to protect and provide humane treatment for the mentally ill. Her campaign resulted directly in the opening of 32 state hospitals, including 2 in Canada. Despite the noble aims, the asylums were overcrowded and the staff had no time to do more than warehouse and restrain the patients.

Psychosocial Treatments

Therapeutic interventions that focus on improving psychological well-being and social functioning through counseling, psychotherapy, and community support.

Overcrowding

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Institutions in England, originating in the 17th century, where those unable to support themselves were offered accommodation and employment.