"The Rosenhan experiment was a famous experiment done in order to determine the validity of psychiatric diagnosis, conducted by psychologist David Rosenhan (Nov 22, 1929 – Feb 6, 2012, a Stanford University Professor, [and published by the journal Science in 1973 under the title "On being sane in insane places".The study is considered an important and influential criticism of psychiatric diagnosis.
Rosenhan's study was done in two parts. The first part involved the use of healthy associates or "pseudopatients" (three women and five men) who briefly feigned auditory hallucinations in an attempt to gain admission to 12 different psychiatric hospitals in five different States in various locations in the United States. All were admitted and diagnosed with psychiatric disorders. After admission, the pseudopatients acted normally and told staff that they felt fine and had not experienced any more hallucinations. All were forced to admit to having a mental illness and agree to take antipsychotic drugs as a condition of their release. The average time that the patients spent in the hospital was 19 days.
All but one were diagnosed with schizophrenia "in remission" before their release. The second part of his study involved an offended hospital administration challenging Rosenhan to send pseudopatients to its facility, whom its staff would then detect. Rosenhan agreed and in the following weeks out of 193 new patients the staff identified 41 as potential pseudopatients, with 19 of these receiving suspicion from at least 1 psychiatrist and 1 other staff member. In fact Rosenhan had sent no one to the hospital.
The study concluded "it is clear that we cannot distinguish the sane from the insane in psychiatric hospitals" and also illustrated the dangers of dehumanization and labeling in psychiatric institutions. It suggested that the use of community mental health facilities which concentrated on specific problems and behaviors rather than psychiatric labels might be a solution and recommended education to make psychiatric workers more aware of the social psychology of their facilities. However, the study has been critiqued and accused of being pseudoscience presented as science"
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