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April 16, 2014

Homework Help: PSYchology 220

Posted by G. KAY on Sunday, December 9, 2012 at 9:04pm.

# 1.59
(1 pts.) Ralph has been sad and listless for 3 years. He can't sleep and has lost his appetite. Using a diagnostic system, one clinician arrives at a diagnosis of depression. Using the exact same diagnostic system, another clinician arrives at a diagnosis of schizophrenia. What is the problem with this system?

A) It lacks construct validity.
B) It lacks universality.
C) It lacks reliability.
D) It lacks criterion validity.

(MY answer IS C)

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