Type II Error and Statistical Power
When testing a new medical treatment, a researcher determines that a Type II error (failing to detect an effective treatment) is more consequential than a Type I error (falsely claiming effectiveness). Which of the following questions is most relevant to the researcher’s concern?
A
How can I increase the power of my test?
B
How can I make my confidence interval narrower?
C
How can I reduce the standard deviation of my data?
D
How can I decrease my significance level?
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