RELIABILITY AND VALIDITY IN DIAGNOSIS AND CLASSIFICATION OF SCHIZOPHRENIA Flashcards
whats reliabilty?
consistency of the diagnosis
whats validity?
accuracy of the diagnosis
whats co-morbidity?
occurrence of two disorders or conditions together.
- when two conditions are frequently diagnosed together, it calls into question the validity of classifying the two disorders
what is symptom overlap?
two or more conditions share symptoms.
- when two conditions share many symptoms it calls into question the validity of classifying the two disorders separately
whats gender bias?
the tendency for diagnostic criteria to be applied differently to males and females.
whats culture bias?
the tendency to over diagnose mebers og other cultures of having schizophrenia
what is diagnostic reliabilty?
diagnosis of schizophrenia must be repeatable
What is inter rater reliablity
different clinicians must make the smae independent diagnoses of the same patient
what is test-retest reliability
the same must make the smae diagnoses on the separate occasions from the same information
what is predictive validity
if diangosis leads to successful treatment then diagnosis is seen as valid
whats descriptive validity
to be valid patients with schizophrenia should have different symptoms form patients with other disorders
whats aetological validity
to be valid all people with schizophrenia should have the same cause for the disorder
what is criterion validity
different classification systems should arrive at the same diagnosis for the same patient
