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IQMP test 2
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Terms in this set (19)
the test of choice to compare means of 3 groups or more
ANOVA
If we want to compare means of 3 groups or more - repeated t tests is not appropriate because
editme
post hoc analyses is appropriate to compare several treatment groups to a control group
Dunnette's test
Two-Way ANOVA is used when you wanted to compare the means in 3 groups defined by
2 factors
wanted to compare the means of a continuous variable measured in 3 groups or more editme
Kruskal-Wallis test
If you want to test to see if the proportions of patients with myocardial infarction are different in 3 drug treatment groups
Chi-square test
should be used if we want to know the 95% confidence interval for a correlation coefficient
Fisher z transformation
want to test the relationship between 2 numerical variables that are not normally distributed
Spearman's rho
In linear regression - R2 measures_?
proportion of variability in Y that's explained by X
What type of data is the response variable for survival analysis?
Time to event data
the regression method for survival data
Cox regression
Principle where patients are analyzed in the group to which they were originally assigned
Intention to treat
The best test to compare the time to event(death) in pts <65 vs >65
log rank test
the test of choice to compare mean blood pressure response to three or more different drug dosing regimens
ANOVA
Which analyses is the best post hoc test to use for pair-wise comparisons
Tukey's test
Compare X in 3 groups of pts. data isnt nomrally distributed and dont want to transform - which test?
Kruskal-Wallis test
to test to see if the MIn event rates are different in 4 treatment groups in the ALLHAT trial - what test could you use?
Chi-square test
the following multiple regression model building procedure can remove and add variables?
Stepwise selection
the regression method for time to eventdata?
Cox regression
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