PRC-2 · Chapter 12 · Question 35 of 55
What grave statistical mistake is formally defined as a 'Type I Error'?
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: B) Rejecting the null hypothesis when it is actually perfectly true.
Explanation
A Type I error (a false positive) occurs when a researcher incorrectly rejects a true null hypothesis, mistakenly claiming a significant effect or difference exists when it mathematically does not.
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