Reliablity In The Classification/Diagnosis

Question 1

Reliability in general refers to

Answer 1

Consistency

Question 2

In the context of schizophrenia diagnosis, reliability refers to

Answer 2

Whether different clinicians agree that a patient should be diagnosed with schizophrenia

Question 3

Example of schizophrenia being notorious for its lack of inter rated reliability

Answer 3

Whaley found correlations between clinicians as low as 0.11

They only agreed 11% of the time

Question 4

Specific issue with the reliability of schizophrenia diagnosis is

Answer 4

Culture bias

Question 5

Clinicians from different cultural backgrounds often disagree on whether it should be diagnosed

Answer 5

The ethnicity of the patient can affect the likelihood of getting diagnosis eg rates of diagnosis are higher among African American patients

Question 6

A negative implication of this is that clinicians are sometimes culturally biased when diagnosing schizophrenia

Answer 6

They may be looking at behaviours typical/normal in some African cultures and mistaking them for symptoms of schizophrenia

Question 7

Research evidence from Copeland, Blake and Luhrmann

Not consistent can’t generalise

Answer 7

Gave a description of a patient to 134 clinicians half from us half uk. 69% diagnosed from US but only 2% UK

Found that clinicians are more likely to diagnose a patient if description referred to them as African American compared to white

Interviewed 60 adults from Ghana diagnosed with schiz, India and US. Major difference in voice heard
US more likely to report violent and hateful.
African and Indian playful or offering advice