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USPshnik [31]
3 years ago
6

Dr. Xi conducted an experiment on the effectiveness of an antidepressant medication. Given her research design, if she finds tha

t the drug is effective, which of the following will she be able to conclude? Antidepressants are related to reduced depression, because she found a negative correlation between depression levels and the administration of antidepressant medication. A Placebos are just as effective as antidepressants in treating depression, because she found that both placebos and antidepressants decreased depression by the same amount. B Antianxiety medication is related to reduced depression, because she found a negative correlation between depression levels and the administration of antianxiety medication. C Antidepressants decrease the severity of depression, and the experiment demonstrates cause-and-effect because she used random assignment. D Antidepressants decrease the severity of anxiety, and the experiment demonstrates cause-and-effect because she used random assignment.
Advanced Placement (AP)
1 answer:
777dan777 [17]3 years ago
5 0
I believe the correct answer is C. The other answers give outside information that doesn’t correlate with the promoted question.
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pogonyaev
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A is a compound sentence because the there are two complete sentences in the sentence. “Paris is an old city” is a complete sentence. “Some is even more ancient” is another full sentence. If there are two or more complete sentence separated by a conjunction, then It is a compound sentence. B is not a compound sentence, because there is only one complete sentence.
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3 years ago
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Klio2033 [76]

Answer:

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The probability of finding such people will get closer to 0.61 as the sample gets bigger.

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Explanation has been provided in the answers above due to their descriptive nature.

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