MEANING
Rejecting a true null hypothesis and falsely concluding that an effect or difference exists.
Use it for
Use when distinguishing false positives from missed effects.Name the cost of falsely declaring an effect when none exists.
Words that belong together
- type I error rate
- commit a type I error
- control type I error
On the page
A false alarm in the screening trial would count as a type I error.
Nearby words
Opposite meanings
Word forms
- Base
- type I error
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Usage notes
The error is defined relative to a true null; it is not simply any incorrect result or a small p-value.
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