Ratings given by an observer, rather than ratings given by subjects themselves, is what differentiates between test-retest reliability and intraobserver reliability.

Question

Quizplus · Accepted Answer

Test-retest reliability refers to the consistency of ratings given by the same observer over time, while intraobserver reliability refers to the consistency of ratings given by different observers at the same time.

Ratings Given by an Observer, Rather Than Ratings Given by Subjects