统计检验方法选择

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• 举例

1 group, nominal	Average calory intake. E.g. “Do our children eat more than they should?”
1 group, ordinal	Sequence of giant-planets. E.g. “In our solar sys- tem, are giant planets further out than average in the sequence of planets?”
2 groups, nominal	male/female, blond-hair/black-hair. E.g. “Are females more blond than males?”
2 groups, nominal, paired	2 labs, analysis of blood samples. E.g. “Does the blood analysis from Lab1 indicate more infections than the analysis from Lab2?”
2 groups, ordinal	Jamaican/American, ranking 100 m sprint. E.g. “Are Jamaican sprinters more successful than American sprinters?”
2 groups, ordinal, paired	sprinters, before/after diet. E.g. “Does a chocolate diet make sprinters more successful?”
3 groups, ordinal	single/married/divorces, ranking 100 m sprint. E.g. “Does the marital status have an effect on the success of sprinters?”
3 groups, ordinal, paired	sprinters, before/after diet. E.g. “Does a rice diet make Chinese sprinters more successful?”
2 groups, continuous	male/female, IQ. E.g. “Are women more intelligent than men?”
2 groups, continuous, paired	male/female, looking at diamonds. E.g. “Does looking at sports cars raise the male heart-beat more than the female?
3 groups, continuous	Tyrolians, Viennese, Styrians; IQ. E.g. “Are Tyro-lians smarter than people from other Austrian federal states?”
3 groups, continuous, paired	Tyrolians, Viennese, Styrians; looking at moun-tains. E.g. “Does looking at mountains raise the heart- beat of Tyrolians more than those of other people?”