Hofling Hospital Experiment
by Saul McLeod published 2008
Aim Hofling (1966) created a more realistic study of obedience than Milgram’s by carrying out field studies on nurses who were unaware that they were involved in an experiment.
Method The procedure involved a naturalistic field experiment involving 22 (real) night nurses. Dr. Smith (a stooge) phones the nurses at hospital (on 22 separate occasions) and asks them to check to see if they have the drug astroten.
When the nurse checks she can see that the maximum dosage is supposed to be 10mg. When they reported to the ‘Doctor’, they were told to administer 20mg of the drug to a patient called ‘Mr. Jones’. Dr. Smith was in a desperate hurry and he would sign the authorization form when he came to see Mr. Jones later on.
The nurses were watched to see what they would do. The medication was not real, though the nurses thought it was.
If the nurse administers the drug, they will have broken three hospital rules:
1. They are not allowed to accept instructions over the phone.
2. The dose was double the maximum limit stated on the box.
3. The medicine itself as unauthorized, i.e. not on the ward stock list.
The drug itself was a harmless sugar pill invented just for the experiment.
Results 21 out of 22 (95%) nurses were easily influenced into carrying out the orders. They were not supposed to take instructions by phone, let alone exceed the allowed dose (The drug was a placebo).
When other nurses were asked to discuss what they would do in a similar situation (i.e. a control group), 21 out of 22 said they would not comply with the order.
Conclusion Hofling demonstrated that people are very unwilling to question supposed ‘authority’, even when they might have good reason to.
A strength of this study is that it has high levels of ecological validity, due to the fact it was conducted in a real life environment. However, the study broke the ethical guideline of deception, as neither the doctor was real.
Hofling, C. K., Brotzman, E., Dalrymple, S., Graves, N. & Bierce, C. (1966). An experimental study of nurse-physician relations. Journal of Nervous and Mental Disease, 143, 171-180.
How to cite this article:
McLeod, S. A. (2008). . Retrieved from
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