A distribution of raw scores is positively skewed. You want to transform it so that it is normally distributed. Your friend, who fancies herself a statistics whiz, advises you to transform the raw scores to z scores; that the z scores will be normally distributed. You should _________
a. ignore the advice because your friend flunked her last statistics test
b. ignore the advice because z distributions have the same shape as the raw scores.
c. take the advice because z distributions are always normally distributed
d. take the advice because z distributions are usually normally distributed
B
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The most accurate statement concerning the use of behavioral and cognitive interventions with children with autism is that they
a. are virtually worthless at changing behaviors. b. can lead to significant gains, especially in young children who do not have severe intellectual disabilities. c. can lead to significant gains, especially in older children who do have significant intellectual disabilities. d. typically lead to significant improvements in all children, regardless of their age or level of intellect.
According to Chomsky, humans develop language because they have a
a. perceptual set. b. telegraphic readiness. c. learning set. d. biological predisposition.
Pruning and reorganization of brain circuits lead to ________.
A. decreased capacity for inhibition B. increased incidence of seizures C. poorer sustained attention D. gains in working-memory capacity
The use of doorless toilet stalls and tiled walls tends to limit vandalism and graffiti through the use of
a. biodata. b. environmental design. c. critical incidents analysis. d. territorial overload.