The sampling distribution is a distribution of ____ means based on random _____ of a fixed size from a _____
a. population; samples; population
b. sample; samples; population
c. population; populations; sample
d. sample; populations; sample
b
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The latest research on the use of Ritalin to treat ADHD suggests which of the following?
A) Research on its effectiveness and safety has been done almost exclusively on white American children. B) Negative side effects are serious enough to discourage the use of Ritalin among adolescents. C) Fortunately, Ritalin is not effective when used as a recreational drug. D) Most ADHD children are better off if they are not treated with Ritalin.
Malcolm, aged 35, is severely depressed. Because of this, he is given electroconvulsive therapy. After treatment, he is sent home and does much better. However, his TV-watching behavior is strange. He thinks that last year's episodes of his favorite series are new. Malcolm is showing signs of __________.
A. anterograde amnesia B. retrograde amnesia C. childhood amnesia D. senile dementia