Regarding student assessment, what is the difference among validity , reliability, and accuracy ?

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Christian Schmidt

Mohammed A K Al-Saadi See this previous post: https://www.researchgate.net/post/What_is_the_nicest_example_that_shows_the_difference_between_validity_and_reliability

Zhang Quan

Briefly, regarding student assessment, by 'validity' is referred to as testing what is tested , 'reliability' to as the test result(s) should be consistent, while 'accuracy' usually refers to the calculation without errors.