Longer wavelengths, such as microwaves, would not make a good basis for a visual system because
a. most longer wavelengths are blocked by the earth's atmosphere
b. they travel at too slow a speed.
c. they are too abundant at the earth's surface to be useful in vision.
d. long wavelengths penetrate objects instead of being reflected from them.
d
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A researcher studies one group as they grow older in which type of study?
a. Retrospective b. Longitudinal c. Cross-cultural d. Cross-sectional
One of the problematic aspects of the research into the link between stress and illness is that
a. separate control groups are not able to be created due to ethical constraints. b. the data is correlational in nature and does not allow for conclusions as to causality. c. subjects are only able to be followed for limited time periods so it is difficult to determine the long-term impact of the stressor. d. subjective cognitive appraisal differences leads people to interpret stressors differently and interferes with consistent conclusions.
DSM-5 combined two separate disorders in women to create the category of female sexual interest/arousal disorder. What was the primary motivation of this change from DSM-IV?
A. Research indicates that women have fewer sexual disorders than men. B. A significant goal of DSM-5 was to reduce the number of categorized disorders. C. Research has not demonstrated that sexual interest and arousal are distinguishable in women. D. There is less research on male disorders than female disorders.
What did Dorothea Dix do for the treatment of mental patients during the 1800s?
A. She fought for humane treatment and moral therapy. B. She argued that mental patients could be treated in their homes. C. She began the process of deinstitutionalization. D. She developed the country's first psychiatric hospital.