It Is Ethically Impossible to Conduct Experimental Studies of Stress

question 65

Multiple Choice

It is ethically impossible to conduct experimental studies of stress and immune responses in humans to determine whether severe stress actually causes susceptibility to health problems.However,Cacioppo and his colleagues (1998) found that _______.

• A) stressors can increase anxiety which is related to infections.
• B) major stressors can impact the length of the common cold.
• C) even minor stressors can suppress immune responses.
• D) people who experience stress are ill more often.
• E) loud noises can suppress immune responses.

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Definitions:

Z Statistic

A type of standard score that represents the number of standard deviations a data point is from the mean of a distribution.

Normal Distribution

A bell-shaped frequency distribution curve that is symmetric about the mean and described by its mean and standard deviation.

One-tailed Test

A hypothesis test where the area of rejection is on only one side of the sampling distribution, used to determine if a parameter is greater than or less than a certain value.

Manufacturing Work Week

The average number of hours worked by employees in the manufacturing sector over a specified period.