Type I error is the rejection of a true null hypothesis, which means that the researcher has come to a false-positive conclusion. The risk of occurrence of Type I error is under the researchers' control by designating α, the significance level. Therefore, choice D is the correct answer.

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A Type I Error

Question 17

Multiple Choice

A Type I error:

A) Is the inverse of power
B) Means that the researcher has come to a false-negative conclusion
C) Only occurs when the test is two tailed
D) Has a risk of occurrence that is under the researchers' control by designating α

Correct Answer: