Rosenhan
Aim: to investigate whether the sane can be reliably and accurately distinguished form the insane
Sample: 12 hospitals across 5 states (staff of hospitals = ppts), pseudopatients (3f, 5m)
Procedure: naturalistic, covert participant observation
pseudopatients reported hearing voices, unfamiliar voices
they had to be released by convincing staff they were sane
acted normally, obeyed rules, pretended to take meds
researches describe experience as distressing and unpleasnt
staff observed the patients as genuine patients, keeping a written record…
Results:
no ppts were ever detected by staff
avg stay = 19 days before released
other patients noticed ppts were ‘fake’
7/8 ppts diagnosed with schizophrenia
1/8 with manic depression and psychosis
Conclusion: rosenhan shows that the diagnostic system was flawed and unreliable as they were more likely to diagnose a healthy person as sick than a sick person as healthy
Rosenhan - link to normality v. abnormality
Rosenhan - link to biases in diagnosis
Rosenhan - link to validity of diagnosis
Parker et al
Parker et al - link to normality v. abnormality
Parker et al - link to classification systems
Lobbestal
Lobbestal - link to reliability in diagnosis