Validity in Diagnosis of Schzophrenia Flashcards
What is validity in regards to diagnosing schizophrenia?
The extent to which a diagnosis is accurate and meaningful.
It must represent something real and be distinct from other disorders.
What are the 3 factors that affect validity?
Gender bias.
Symptom overlap.
Co-morbidity.
What type of gender bias is the argument for validity on diagnosis of schizophrenia?
Alpha bias, men are less likely to be diagnosed.
When does gender bias occur in the diagnosis of schizophrenia?
When accuracy of a diagnosis is dependent on the gender of an indervidual.
What does it mean by symptom overlap?
Many of the symptoms of schizophrenia are also found in other disorders.
What are 2 examples of other disorders share symptoms with schizophrenia?
Bipolar disorder.
Depression.
What does co-morbidity refer to?
The extent that two or more conditions co-occur.
What does schizophrenia often occur alongside (co-morbidity)?
3 things.
Substance abuse.
Anxiety.
Depression.
What percentage of schizophrenia patients suffer from co-morbid depression according to Buckley et al?
50%
What percentage of schizophrenia patients have a lifetime diagnosis of co-morbid substance abuse according to Buckley et al?
47%
