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nondirectional test
nondirectional test A nondirectional test is a significance test that evaluates whether a result differs from the null hypothesis in either direction, not just one specified direction.
A nondirectional test is a significance test that evaluates whether a result differs from the null hypothesis in either direction, not just one specified direction. It uses a two-tailed probability, counting outcomes that are as extreme or more extreme on both the higher and lower sides of the null value.