A sample of n = 6 scores has a standard deviation of s = 3 . What is the value of SS, the sum of the squared deviations for this sample?
a. 54 c. 18
b. 45 d. 15
B
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What is the style of language in which words are used primarily to express feelings and needs
about oneself and others? a. Overextension b. Expressive style c. Referential style d. Infant directed speech
Regarding the sociocultural view of cognitive development, which of the following statements is FALSE?
a. According to the sociocultural view, it is not enough for children to learn how to think, they must also learn specific intellectual skills valued by their culture. b. Vygotsky believed that children actively seek to discover new principles with many of their most important "discoveries" being guided by skillful tutors. c. When a child is close to having the mental skills needed to do the task, but requires help to accomplish the task, Vygotsky called this the zone of assimilation. d. Children can make rapid progress if they receive sensitive guidance from a skilled partner through scaffolding.
Individuals who are inflexible and view the world in black and white terms are in identity ______.
A. moratorium B. achievement C. foreclosure D. diffusion
Research psychologists believe all of the following except
a. the causes of behavior can be discovered by using scientific methods b. if statistical determinism is true, then free choices cannot be made c. it may not be possible to predict behavior with certainty d. making effective choices requires that events be predictable