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That’s not a two-sided test! It’s two one-sided tests!

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Version 3 2022-04-02, 00:00
Version 2 2020-07-31, 22:33
Version 1 2020-05-29, 00:00
journal contribution
posted on 2022-04-02, 00:00 authored by Mark RubinMark Rubin
When reporting tests of significance, researchers might claim to have conducted a two-sided test when in fact they have conducted two one-sided tests. Mark Rubin explains the confusion and how to avoid it.

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    Significance testingNHSTone-tailed teststwo-tailed testsmultiple testingStatistical Theory

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    CC BY 4.0

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