Harry works in a noisy manufacturing plant. According to research, his epinephrine levels and sense of anxiety will be higher if he ____
a. hears the noise loud and clear
b. cannot hear the noise clearly
c. believes he cannot control the noise
d. believes he has a way of controlling the noise
C
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We can often use a Pearson correlation even when a relationship is curvilinear. This is because
a. a straight line will often fit the data remarkably well. b. you can always calculate a correlation with any set of data. c. the correlation coefficient doesn't care if the relationship is curvilinear. d. there is no alternative.
According to Freud, the _____ is present at birth and is the source of bodily needs, wants, and desires.
A) ego B) id C) superego D) collective unconsciousness
Middle-class adolescents are most likely to drop out of school:
a. if their parents did not complete high school. b. if they are involved in extracurricular activities. c. if they are bored with school or feel alienated d. if they are raised by single parents.
In the context of survey research, identify a true statement about a sample.
A. It should not involve a random selection of participants. B. It comprises people chosen to represent a larger group of interest. C. It is usually not representative of a broader population. D. It should necessarily include less than 500 members.