beta error


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Related to beta error: alpha error

beta error

n. Statistics
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No, it is not logical to conclude there is a 20% chance that the intervention really does increase survival just because the chance of a beta error was 20%.
However, beta error actually incurs costs (as opposed to a lost opportunity for savings), so it is considered the more egregious error.
The Beta errors are errors of commission: a new idea is accepted that turns out to be a big mistake.