DrsParks,Barkley,and Judds All Assess the Same Client Regarding the Level

Multiple Choice

Drs.Parks,Barkley,and Judds all assess the same client regarding the level of psychopathic traits that he demonstrates using a standardized test called the Psychopathy Checklist.Each professional scores the client very similarly,and all diagnose the client as psychopathic.In this example,the Psychopathy Checklist would be said to have

A) high test-retest reliability.
B) low external validity.
C) high interrater reliability.
D) high internal validity.