Answer:
Reliable
Explanation:
Reliability is the degree to which an assessment tool produces stable and consistent results. Test-retest reliability is a measure of reliability obtained by administering the same test twice over a period of time to a group of individuals.
C and D do not factor into characterization.
Answer: Italicize it
Explanation: Proper names of ships and other vessels are italicized in MLA format. If the name has a prefix, such as USS or HMS, do not italicize the prefix and do not punctuate the prefix with periods.