Answer:
The correct answer is option C. Test-retest reliability
Explanation:
Test-retest reliability is a concept when the same test is taken under the same condition over different periods of time by the same individual. The outcome of this test to measure the internal reliability of the test itself.
If the result of the test remains constant throughout multiple testing, it would mean that the test itself is stable and consistent. If the test scores vary over time, it would deem weak and tater the reliability of the test.
