Test-retest reliability assesses:

Correct option is B

Test-retest reliability measures the consistency of a test's results when it is administered to the same group of people on two or more occasions. A high correlation between the scores on the two test administrations indicates strong reliability.
1. Purpose of Test-Retest Reliability:
· Ensures stability of the test over time.
· Helps determine if the test is reliable for longitudinal studies or repeated use.
Information Booster:
· High test-retest reliability indicates consistent results over time.
· Influenced by factors like memory and changes in the test-taker's condition.
· Used in intelligence tests, aptitude tests, and personality assessments