Research finds that African-Americans sleep less—and less well—than White Americans
Some may feel that this is caused by genetics, while others suggest that factors like social class and education may contribute to the difference. Another idea suggests that the stressors of being a minority may also affect sleep. These various ideas are an important example of
A) correlation versus causation.
B) Occam's Razor.
C) ruling out rival hypotheses.
D) falsifiability.
Answer: C
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According to Steven Johnson, today's video games are characterized by all of the following EXCEPT
a. offering simple, repetitive visual experiences. b. requiring intense problem-solving to complete. c. requiring the players to figure out the rules by themselves. d. being too violent or sexual in their content.
According to Helen Kaplan, desire is experienced as
The first symptom(s) of a crippling disease called spinocerebellar degeneration
a. are hyperactivity and a lack of attention. b. are tremor, dizziness, and muscular weakness. c. is an inability to recognize faces and familiar surroundings by sight alone. d. is an inability to store new long-term verbal memories.
Severe malnutrition during the first year can produce __________, a disease in which infants stop growing
a) kwashiorkor
b) nonorganic failure to thrive
c) marasmus
d) rickets