Which of the following can be treated as an interval-ratio variable?
a. Social security number
b. Zip code
c. Age
d. Hair color
Ans: c. Age
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Average household income for the top one-fifth of American households was almost $________, while the average for the 20 percent of American households in the lowest income group was about $_________
a. 100,000; 10,000 b. 166,000; less than 20,000 c. 250,000; 8,000 d. 150,000; 30,000 e. 200,000; 50,000
The self-perpetuating cycle of loneliness includes all but which of the following problems?
A) Inflated sense of self B) Dull, half-hearted manner of interactions C) Irritating and annoying behavior D) Negative reactions by others
What is the most common cause of premature death in the United States?
A. illegal drugs B. diet / activity patterns C. AIDS D. tobacco E. microbial agents
Generally speaking, the more intelligent the species, the shorter the period of gestation and dependence on others.
Answer the following statement true (T) or false (F)