How are the degrees of freedom for the Wilcoxon rank-sum test determined?
a. N – 1
b. N(n – 1)
c. N – k
d. There are no degrees of freedom for the Wilcoxon rank-sum test.
d
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For days after visiting Disneyland, the words and tune for "It's a Small World" keep invading Jessica's thoughts. She cannot get them out of her head. Jessica's experience is similar to the ____
a. obsessions seen in obsessive-compulsive disorder b. fear seen in generalized anxiety disorder c. compulsions seen in obsessive-compulsive disorder d. avoidance seen in social phobias
A new variant of ________ may be linked to bovine spongiform encephalopathy (BSE), or "mad cow disease."
A. Huntington's disease B. Pick's disease C. Alzheimer's disease D. Creutzfeldt-Jacob disease
When writing survey questions, it is important ensure that there is a clear relationship between each survey question and the
a. final outcome. b. data analysis. c. respondent’s answers. d. survey’s objectives.
In terms of usefulness and reliability, which of the following is true of Vygotsky's sociocultural theory?
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