Non-Parametric Tests Flashcards
What type of test is used for nonparametric (ordinal or nominal) data with 2 independent variables?
Mann-Whitney U Test
What type of test statistic is calculated for a Mann-Whitney u test?
Z value
When can we reject our null hypothesis?
Calculated z value is > Table z value
p value is < 0.05
What parametric test is comparable with the Mann-Whitney Test?
Unpaired t-Test
What type of test is used for nonparametric (ordinal or nominal) data with 3 or more independent variables?
Kruskal-Wallis One-Way ANOVA by ranks
What type of test statistic is calculated for a Kruskal-Wallis One-Way?
H value
What parametric test is comparable with the Kruskal-Wallis One-Way?
one-way ANOVA
When can we reject our null hypothesis?
Calculated H value is > Table H value
p value is < 0.05
When we reject our null what can we conclude?
That there is a significant difference between 3+ groups
What type of test is used for nonparametric (ordinal or nominal) data with two related scores?
Wilcoxon sign-ranks test
What is the Wilcoxon sign-ranks test solely based on?
The order in which the observations
from the two samples fall
What type of test statistic is calculated for a Wilcoxon sign-ranks test?
T value
What parametric test is comparable with the Wilcoxon sign-ranks test?
Paired t-Test
What type of test is used for nonparametric (ordinal or nominal) data with 3 or more related scores?
Friedman-Two Way ANOVA by Ranks
What parametric test is comparable with the Freidman test?
Repeated Measures ANOVA
