He wanted to investigate whether people gaining admission to hospitals would be "found out" as sane using the DSM. Could the staff tell the sane from the insane?
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How many pt's?
8 pseudo patients - 5 men and 3 women
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How many hospitals and how many states?
12 hospitals in 5 different states of America
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Who knew about the experiment Rosenhan was going to conduct?
The hospital administrator and chief psychologist where research was carried out.
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What was the symptom the pseudo patients said they were experiencing?
Hearing voices.
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What were the voices saying?
Empty, Hollow, Thud
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What tasks were they told to do?
Seek release by convincing staff they were sane, oberve and record the experiences.
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How many pt's were administered with a diagnosis of schizophrenia?
7/8
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The stay in hospital ranged from.....
7-52 days
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What was the average stay?
19 days
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What was concluded from this part of the study?
Drs are more likely to err on the side of caution - call a healthy person sick rather than a sick person healthy. The patients noticed there was something off about these patients but not the staff.
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What was procedure 2 about?
Staff doubted the findings and so Rosenhan said he would send 1 or more psuedo patients over the nect 3 months. The staff were asked to rate the pateints on 1-10 - how fake were they?
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How many judgements were made in procedure 2?
193
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How many were judged with high confidence as being fake by at least one member of staff?
41/193
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How many considered to be a suspect by 1 psychiatrist?
23/193
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How many considered to be a suspect by 1 psychiatrist and a member of staff?
19/193
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BUT
NO PSEUDO PATIENTS WERE SENT BY ROSENHAN!
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Lack of monitoring
Little contact with doctors. Day nurses only cam out of the "cage" 11.5 times per shift.
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Distortions of behaviour
Everything became interpreted in the light of the disorder.
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Lack of normal interaction
They found a lack of contact and were brief in their responses. Little eye contact.
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What did he conclude from this study?
Staff weren't able to distinguish those from the sane from those who were insane and therefore the DSM is not a reliable tool.
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What are the strengths of the study?
Range of hospital used so more generalisable. Helped bring about changes in the way mental disorders are diagnosed. High ecological validity. Study is reliable due to controls and same results found.
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What are the weaknesses of the study?
The study rests on lies, in both experiment 1 and 2 people were lied too. Lies mean that it lacks validity. Hospital staff decieved.
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Other cards in this set
Card 2
Front
How many pt's?
Back
8 pseudo patients - 5 men and 3 women
Card 3
Front
How many hospitals and how many states?
Back
Card 4
Front
Who knew about the experiment Rosenhan was going to conduct?
Back
Card 5
Front
What was the symptom the pseudo patients said they were experiencing?
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