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veraday veraday
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Posts: 842
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7 years ago
Several variables are associated with longer life expectancy. One way to remove the possible effects of per-capita income as a variable is to examine only countries with similar levels of income per capita. This is an example of using:
a.   the comparative cases method.
b.   the multiple cases method.
c.   a control variable.
d.   quantitative comparative analysis.
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taseetasee
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#1
Posts: 299
Rep: 12 0
7 years ago
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veraday Author
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7 years ago
this is exactly what I needed
bahajo
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Yesterday
You make an excellent tutor!
veronee_madison
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2 hours ago
Thanks for your help!!
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