Brian wants to compare the test scores in one class to the test scores in another class. Which test of statistical significance should Brian use?
a. Pearson r
b. an independent t test
c. a correlated t test
d. a point-biserial correlation
b
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The bacteria responsible for meningitis a. are not a threat in swimming pools, buildings, and the water supply
b. cannot be spread by kissing, coughing, or sneezing. c. are spread from infected birds to people by mosquitos. d. are quite rare among people.
What was a key difference between Fiske's testimony for Hopkins and Baldus' Testimony in McCleskey?
A. Fiske used widely accepted statistical techniques in her research. B. Fiske used social framework testimony. C. The Supreme Court cited Fiske's testimony as important to their decision. D. Fiske's testimony was more widely endorsed by psychologists.
A patient who is nonresponsive and remains still in odd postures may be diagnosed with which subtype of schizophrenia?
a. Disorganized b. Undifferentiated c. Catatonic d. Residual
Imagine a genetic mutation occurs that prevents cerebrospinal fluid from developing. What is the most likely consequence for individuals with this mutation?
A. Nerve cells are unable to communicate. B. Brain damage is much more likely to occur, because the cushioning of CSF is lost. C. Nerve conduction velocity will be reduced. D. Hydrocephalus will occur.