e/Test-retest

Information
has gloss	eng: Test-retest is a statistical method used to determine a test's reliability. The test is performed twice; in the case of a questionnaire, this would mean giving a group of participants the same questionnaire on two different occasions. If the correlation between separate administrations of the test is high (~.7 or higher), then it has good test-retest reliability.
lexicalization	eng: test-retest
instance of	c/Evaluation methods