arithmetic test is given twice within a few days to a student. The highest possible score is 40. He receives a score of 35 the first time and a score of 18 the second time. If similarly varying results are obtained from other students, the test result is probably unreliable in the idea o

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07-10-2021
Computers and Technology

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arithmetic test is given twice within a few days to a student. The highest possible score is 40. He receives a score of 35 the first time and a score of 18 the second time. If similarly varying results are obtained from other students, the test result is probably unreliable in the idea o

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AFOKE88 AFOKE88 · Answer 1 · 2021-10-18T13:54:16+02:00

Similar varying results obtained as scores from other students indicates that the test is; Unreliable.

This is about test reliability and it is based on consistent results. This implies that it is a measure of how well a characteristic of a test is measured dependably or consistently.

With reference to the above on test reliability, applying it to our question. If the student took the test twice and got a similar result the two times, then the test is said to measure the score reliably but if the two scores are not similar but vary widely from each other, then the test is said not to measure the score consistently and is said to be unreliable.

In our question, since varying results scores are continually obtained for two same tests of same students, then we can say the test does not measure the scores reliably and we can conclude that the test is unreliable.

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