A researcher administers the same personality questionnaire to the same group of participants twice, three weeks apart. The scores show a very high degree of consistency. Which type of reliability is being examined?
A.Split-half reliability
B.Test-retest reliability
C.Parallel-forms reliability
D.Inter-rater reliability
Correct Answer:
B. Test-retest reliability
Giving the same test to the same group twice and comparing scores examines test-retest reliability.