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Influences on validty and reliability of tests

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A student takes the GRE and scores low on it due to having a headache. The student retakes the test when he or she is feeling better two weeks later and scores higher on the test. What can be said about the reliability and validity of the test?

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Solution Summary

This solution describes factors that can influence the reliabilty and validity of tests.

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The validity and the reliability of the test is not necessarily going to be adversely affected by the student having a headache during the first test session. The experience of a taking a test can influence the results. Experience refers to mental or physical changes. In the case of the student he/she had a headache during the first ...

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