Baby Billy calls his favorite blanket a "blankie." When he sees other blankets in the house, however, he does not refer to them as "blankie" because he uses that name only for his favorite blanket. This is an example of __________
a) underextension
b) overextension
c) referential style
d) holophrastic speech
Answer: a
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Which of the following statements best describes the findings of research on the life satisfaction of women from various age groups?
a. Women are most satisfied with their lives when they are young adults. b. The most satisfied group is women in their early 50s. c. The most satisfied group is women who are 70 to 80 years old. d. Age does not have a major effect on life satisfaction.
Which of the following is true of locomotive development in infants?
A. Most infants begin to crawl at about six months. B. Crawling appears a month or so after creeping. C. By about seven months, infants usually begin to sit up by themselves. D. Most infants can remain in a standing position by holding on to something at the age of five months.
In a sample of n = 40 scores, X = 31 corresponds to z = -1.50 and X = 39 corresponds to z = +0.50. The sample mean is M = 36
Indicate whether the statement is true or false
If Earth was threatened by a comet from outer space, it is likely that ethnic fighting would decrease as nations came together to prevent this global calamity. This is an example of how _____ is(are) important in reducing prejudice.
A. supernatural phenomena B. common goals C. cosmic cooperation D. intergalactic interference