Dr Mabuse Recruits Three Judges to Read the Diaries of a Group

Multiple Choice

Dr. Mabuse recruits three judges to read the diaries of a group of respondents and rate the extent to which each person mentions self-words (such as I, me, mine, or my) . Dr. Mabuse then correlates the ratings of the judges and finds that r = .87. What can Dr. Mabuse conclude?

A) Test-retest reliability is within an acceptable range.
B) The internal consistency of this methodology is weak.
C) There is high intercoder reliability for this judgment task.
D) The diary-writing task is a valid measure of personality.