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nondirectional test

a statistical test of an experimental hypothesis that does not specify the expected direction of an effect or a relationship. Also called nondirectional alternative hypothesis test; nondirectional hypothesis test; two-tailed test. See nondirectional hypothesis. Compare directional test.

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Psychology term of the day

March 13th 2025

fast muscle fiber

fast muscle fiber

a type of muscle fiber found in skeletal muscle that contracts rapidly but fatigues readily. Compare slow muscle fiber.