Clifton has been experiencing a number of psychological issues, so he decided to go to a psychiatrist to see what was wrong. dr. a told him he had a major depressive disorder. clifton decided to seek a second opinion. dr. b diagnosed him with generalized anxiety disorder. wanting yet another opinion, clifton went to dr. c, who told him he was obsessive-compulsive. this demonstrates poor
a. inter-rater reliability.
b. descriptive validity.
c. concurrent validity.
d. test-retest reliability.

Option A

Explanation:

Inter Rater Reliability alludes to factual estimations that decide how comparable the information gathered by various raters are.  

A rater is somebody who is scoring or estimating a performance, conduct, or aptitude in a human or creature.

Thus in the mentioned case of Clifton, there is lack of similarity in the diagnosis of the disease by all the three doctors.

Therefore, it represents poor inter rater reliability.

yes, it is pretty much the same thing, which is cool. : )

diseases can be cured more rapidly as medical advancements spread from region to region. -apexxx