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Milgram Validity
Orne and Holland (1968) – lacked internal validity – p’s didn’t believe in the set up. Supported by Perry (2013)
BUT Milgram reported 70% believed the shock to be real
May appear to lack external validity (ecological validity) as conducted in a lab = artificial = cant generalise
BUT focus is on the perceived relationship between p and experimenter – is this true of real life????
This study on obedience examined how nurses complied
with orders of medical doctors, even if they broke rules of
the hospital.
3 hospitals in USA were used ~ both public and private
In this study, a medical doctor who was on the staff list, but
not known personally to a nurse, called her when she was
alone in her ward in the evening; he says through the
telephone......
Hofling et al. (1966)~ Obedience of
Nurses to Doctors
Obedience of Nurses to Doctors
"This is Dr. Smith, from Psychiatry, calling. I was asked to see Mr. Jones this morning, and I‘m going to have to see him again tonight – I don‘t have a lot of time, and I‘d like him to have had some medication by the time I get to the ward. Will you please check your medicine cabinet and see if you have some Astroten? That‘s [spells] ]A-S-T-R-O-T-E-N.“
The nurse looks in the medication cupboard and finds a pillbox with the following label from the hospital…..
Obedience of Nurses to Doctors
"This is Dr. Smith, from Psychiatry, calling. I was asked to see Mr. Jones this morning, and I‘m going to have to see him again tonight – I don‘t have a lot of time, and I‘d like him to have had some medication by the time I get to the ward. Will you please check your medicine cabinet and see if you have some Astroten? That‘s [spells] ]A-S-T-R-O-T-E-N.“
The nurse looks in the medication cupboard and finds a pillbox with the following label from the hospital…..
ASTROTEN
5 mg capsules
Usual dose: 5 mg
Maximum daily dose: 10 mg
Obedience of Nurses to Doctors
After the nurse returned to the phone, the
doctor said....
‘You have it? Fine. Now will you please give Mr. Jones a
stat dose of 20 mg – that‘s four capsules – of Astroten. I‘ll
be up within ten minutes, and I‘ll sign the order then, but
I‘d like the drug to have started taking effect.“
Obedience of Nurses to Doctors
By giving Astroten, a nurse would violate several rules of the hospital: (the nurses would have been aware of these rules)
The ordered dose was higher than the maximum daily dose;
Medication orders should not be given by phone
It was not permitted to give a medication that was not on the hospital stock list and cleared for use.
The order was given by an unfamiliar voice; the nurse had no chance to verify the true identity of Doctor Smith.
Obedience of Nurses to Doctors
Astroten does not exist as a real medication, and
the capsules were harmless placebos.
The nurses were observed by a medical doctor, who
interrupted them at the moment they wanted to give
the medication.
What do you think: How many of the 22 nurses who
were tested would have given Astroten?
© POSbase 2005
Obedience of Nurses to Doctors
Twenty-one of 22 nurses – or 95% – complied with
the order of Doctor Smith and began with the
administration of the medication, until the observing
doctor interrupted them.
Other nurses were given a detailed description of
the experimental situation and asked whether they
would have given the medication
Obedience of Nurses to Doctors
PREDICTIONS
10 out of 12 graduate nurses– or 95% – said that they they would not have given the medication, and 7/12 said that they believed that the majority of nurses would not give the medication (Questionnaire group)
All of the 21 student nurses questionned said that they would not have given the medication.
This is in line with Milgram‘s (1974) findings that students could not predict other students‘ obedience