Question

​a psychologist gives the same test to a client twice. the tests are separated by six days. if the test results are quite dissimilar, we could say that the test has weak ____.

Answer 1

The test has weak test-retest reliability. Test-retest reliability refers to a test's consistency and stability over time. To test a test's reliability a person must be given the same test twice on two different occasions. The closer the test scores are to each other the better the test's reliability is.