diagnosis & classification evaluation Flashcards
What is an important measure?
inter-rater reliability
What did Ellie Cheniaux have?
2 independent psychiatrists independently diagnose 100 patients using DSM and ICD
What were the results of Cheniaux?
- one psychiatrist diagnosed 26 with Sz according to DSM and 44 according to ICD
- the other diagnosed 13 according to DSM and 24 according to ICD
What is criterion validity used for?
to see if using separate systems to diagnose have the same outcome
What is a weakness of criterion validity?
Sz is more likely to be diagnosed using ICD
What is co-morbidity?
the phenomenon that two or more conditions occur together
What did Buckley et al conclude?
half of patients with Sz diagnosis also have:
- depression (50%)
- substance abuse (47%)
- PTSD (29%)
- OCD (23%)
What did Longenecker review and conclude?
prevalence of Sz since 1980’s and said men have been diagnosed more than women
Why might women be less vulnerable to developing Sz?
- work more
- steady family relationships
What did Cotten et al say?
women may not have been diagnosed as their ability to function may bias practitioners into a diagnosis
Who are more likely to get Sz than white people?
African Americans and English Afro-Carribean’s
What may be acceptable in African cultures and why?
hearing voices as it is a cultural belief of hearing from ancestors
What is inter-rate reliability?
the extent to which different assessors agree on the same diagnosis for the same patients
