What concept refers to private insurance organizations that provide medical care to subscribers for a fixed fee?
A. preferred providers
B. single payers
C. health maintenance organizations (HMOs)
D. direct payers
Answer: C
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Which of the following is true of Chinese people who move out of Chinatown?
a. They are viewed as being less successful. b. They find it easy to get housing. c. They fail to find jobs in managerial positions. d. They encounter discriminatory real estate practices.
The general consensus is that physical losses in old age do not begin taking a heavy toll until after age
a. 75. b. 80. c. 85. d. 90.
A major source of structural strain in societies is __________
a. the development of common attitudes about the aging b. the outcome of research on the effects of aging c. the long-term failure of institutions to accommodate the increasing proportion of the population that is elderly d. political organization by elderly persons
An additional variable considered in a bivariate relationship, usually with the aim of controlling for the effects of this variable, is referred to as a(n) ______ variable.
A. independent B. dependent C. control D. elaboration