Statistics important Flashcards
What test to use?
IV: Scale
DV: Scale
Any other prop
Regressions
What test to use?
IV: Scale
DV: Categorical
Any other prop
Logistic regressions
What test to use?
IV: Categorical
DV: Scale
Groups: 2
Paired: N
Normal: Y
Un-paired T-test
What test to use?
IV: Categorical
DV: Scale
Groups: 2
Paired: Y
Normal: Y
Paired T-test
What test to use?
IV: Categorical
DV: Scale
Groups: >2
Normal: Y
ANOVA (analysis of varience)
What test to use?
IV: Categorical
DV: Scale
Groups: 2
Paired: N
Normal: N
Mann-Whitney Utest
What test to use?
IV: Categorical
DV: Scale
Groups: 2
Paired: Y
Normal: N
Wilcoxon signed rank test
What test to use?
IV: Categorical
DV: Scale
Groups:>2
Paired: N
Normal: N
Kruskall-Wallis test
What test to use?
IV: Categorical
DV: Scale
Groups:>2
Paired: Y
Normal: N
Friedman test
What test to use?
IV: Categorical
DV: Categorical
Groups: 2
Count >=5 in >= 75% cells
Paired: N
Chi-square test
What test to use?
IV: Categorical
DV: Categorical
Groups: 2
Count >=5 in < 75% cells
Paired: N
Fisher’s exact test
What test to use?
IV: Categorical
DV: Categorical
Groups: 2
Paired: Y
McNemar’s test
What test to use?
IV: Categorical
DV: Categorical
Groups: >2
Chi-square test
How to check for normality with n > 50? (not sensitive to tail)
Kolmogorov-Smirnov test
How to check for normality with n < 50? ( sensitive to tail)
Shapiro-Wilks test