Issues of reliability & validity

Outline the 4 positive symptoms of Schizophrenia?

Outline the 3 negative symptoms (loss) of Schizophrenia?

Outline Carson's beliefs about the DSM III.

What did more recent studies (2001) about the diagnosis of SZ find?

How did Rosenhans study highlight the unreliability of the classification & diagnosis of SZ?

What happened in Rosenhans follow up study?

What are the ethical issues associated with Rosenhans studies?

Outline another study which found issues with the reliability of the diagnosis of SZ.

Outline three common co-morbidities in SZ that affect the validity of diagnosis.

State the two statistics which Buckley estimated.

How do co-morbid illness impact upon the diagnosis & treatment of SZ?

What did a study of 6 million hospital records find?

What did Klosterklotter's assessment of positive/negative symptoms in terms of the validity of diagnosis find?

Outline how the prognosis & symptoms of SZ vary significantly.

Outline why there are higher rates of SZ found in African Caribbean's (compared to white counterparts).