In Yellowstone National Park, a small group of employees runs a fast food operation which is physically removed from all of the larger lodges in town. These employees comment that they feel separated from the company's other operations; however, each summer this group tends to be a tight-knit group. This exemplifies:
a. group homogeneity
b. stability of group membership
c. group isolation
d. outside group pressure
c
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According to the discussion of abortion and miscarriage in the United States,
a. a woman is 30 times more likely to die as a result of childbirth than as a result of a legal abortion. b. 20 years ago, anti-abortion groups murdered professionals who performed abortions, but there have not been any such murders since the 1990s. c. although cigarette smoking affects a baby's birth weight, it has no effect on the miscarriage rate. d. cigarette smoking raises the probability of a miscarriage by about 10%.
In Dr. Lu's study of eating disorders, she looked at the academic histories of girls with eating disorders and girls who did not have such problems. In this example, the girls with eating disorders are the __________ group.
A. comparison B. control C. criterion D. treatment
From an evolutionary perspective, why is the conscious awareness of ongoing sensations advantageous for animals?
a. ?It enables animals to have a sense of mortality and a strong will to pass on their genes. b. ?It facilitates the development of complex motor and sensory control. c. ?It allows animals to respond instinctively to oncoming threats. d. ?It provides the opportunity to choose responses rather than to respond instinctively.
What is a confound and how is it related to internal validity?
What will be an ideal response?