The vast majority of those infected with HIV are:
a. young adults who do not know they are infected.
b. young adults who know they are infected.
c. an unspecified age group who use drugs.
d. an unspecified age group who have received blood transfusions.
e. older adults drug users.
A
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For an F ratio to be statistically significant, the between-groups mean square must be
a. greater than the total sum of squares. b. greater than the within-groups mean square. c. less than the within-groups mean square. d. less than the within-groups sum of squares.
Jacob Riis was__________.
A. an early photojournalist who raised awareness of urban problems B. a union leader who helped organized the meatpackers C. a New York mayor who fought for better water quality D. an early teacher who campaigned for tax-funded public education
Ralf Dahrendorf identified three types of groups. Which of the following possesses a structure, goals, and has the capacity to engage in-group conflict?
A. quasi groups B. interest groups C. conflict groups D. the bourgeoisie
Societal changes in the aftermath of the Great Recession suggest that we are moving into an age in which people are more likely to do which of these?
A. rely on credit more than ever before B. spend their money on more high-end goods and entertainment C. spend money reluctantly D. prefer more do-it-yourself products to store-bought products