A researcher is testing a new drug to see if it reduces bloo…
A researcher is testing a new drug to see if it reduces blood pressure more effectively than a placebo. The null hypothesis (H0) is that the drug has no effect, while the alternative hypothesis (H1) is that the drug has a positive effect. After performing the test, the researcher concludes that the drug is effective, even though it has no actual effect. What type of error has been made?
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