Which type of reliability involves repeated administrations of the same assessment?

The correct choice, which addresses the principle of reliability in assessment, is focused on test-retest reliability. This type of reliability is established by administering the same assessment to the same group of individuals at two different points in time. The purpose of this approach is to measure the consistency of participants’ scores across the two administrations, thereby demonstrating that the assessment produces stable and reliable results over time.

Test-retest reliability is crucial because it ensures that the assessment is not overly influenced by external factors such as changes in the test-takers' knowledge or abilities between administrations. High test-retest reliability indicates that the measurement is dependable, which is essential for making informed decisions about student performance and educational outcomes.

Other types of reliability, like inter-rater reliability or equivalent-forms reliability, focus on different aspects. Inter-rater reliability assesses the agreement between different scorers or judges on the same assessment, while equivalent-forms reliability examines the consistency of scores between two different but comparable versions of the same assessment. However, only test-retest reliability specifically involves repeated administrations of the same assessment, validating the stability of the results across time.