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28 Jan 2011
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Hospitals and mortality (continue from Chapter 2)
* Spurious correlation
Independent variable: residenceDependent variable: mortality
1.Hospital
Doctors
Nurses
Cleaning staff (Low, normal mortality)
Sick people (x)
Elderly sick people (x)
Terminally ill people (x)
Injured people (x)
2.The home
Old people
Young people(Low, normal mortality)
Sick people
Healthy people
4 main methods in sociology research
1.Field methods
2.Experiments control & experimental groups
3.Surveys, used in daily life (e.g. political polling). Used to gain some knowledge and
ability in doing this kind of research
Interval data is when the # represents actual reality
One-to-one correspondents between # and what we are measuring is arbitrary
(random) e.g. collecting data on income
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