Meredith gave the NEO-III personality inventory to a representative sample on Monday and then gave the same test to the same participants under the same circumstances 2 weeks later. The scores on both administrations were highly correlated, establishing that the test had high reliability:

1.test-retest
2.internal consistency
3.alternative forms
4.interrater

Test-retest reliability

Explanation:

Test-retest reliability is a tool that is used to measure the reliability of a test. In this process, the investigator assesses the reliability of a test for which the test conducted on the same population after some time. The test is used consistently to see the reliability of the test. If the test gives the same result on the same population at a different time is called test-retest reliability.  

Thus in the above illustration, Meredith gives the NEO-III personality testy to represent the sample on Monday and after Monday will give n two weeks later The test on both assessments was highly correlated is called high on test-retest reliability.  

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explanation: