Schizophrenia reliability vs validity- TB Flashcards
1
Q
What is reliability in terms of schizophrenia?
A
A diagnosis must be repeatable in the same patient (consistency)
2
Q
What does a diagnosis being repeatable refer to?
A
Test-retest reliability
3
Q
What other type of reliability should there be?
A
Inter-rate reliability
4
Q
What is inter-rater reliability?
A
Two or more clinicians reaching the same conclusion in diagnosis of the same patient- measured in a “kappa score” test
5
Q
When is a test not reliable?
A
When it isn’t valid
6
Q
What is validity about to do with schizophrenia?
A
Does the diagnosis represent a real disorder as distinct from other disorders
7
Q
What is a way to assess the validity of a psychiatric disorder?
A
Criterion validity- comparing diagnosis under the DSM criteria & the ICD criteria
