What Did McDermott (1980) Find When Examining Diagnostic Consistency and Accuracy

Multiple Choice

What did McDermott (1980) find when examining diagnostic consistency and accuracy between 72 practicing psychologists?

A) The expert psychologists were very consistent.
B) Diagnostic agreement was no better than chance.
C) Consistency between the psychologists was very high.
D) Novice psychologists were inconsistent and inaccurate, but the other psychologists were accurate and consistent.