2. Discuss validity and reliability of diagnosis

 

Diagnosis

 

 

Diagnostic manuals

 

 

Reliability of diagnosis

 

 

 Study: Cooper et al. (1972) The US-UK Diagnostic Project

 

 

Validity of diagnosis

 

 

Study: Mitchel et al. (2009) Meta-analysis of validity of diagnosis of depression

 

 

Rosenhan (1973) On being sane in insane places

 

Aim:

To test reliability and validity of diagnosis in a natural setting. Rosenhan wanted to see if psychiatrists could distinguish between “abnormal” and “normal” behavior.

 

Procedure:

This was a covert participant observation with eight participants consisting of five men and three women (including Rosenhan himself). Their task was to follow the same instructions and present themselves in 12 psychiatric hospitals in the USA.

 

Results:

 

Evaluation