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57 Cards in this Set
- Front
- Back
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t-test for independent groups
(test statistic) |
t
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t-test for independent groups
Parametric or non parametric |
Parametric
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t-test for independent groups
(Purpose) |
To test the difference between the means of two independent groups.
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What is the independent variable for t-test for independent groups?
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Nominal
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What is the dependent variable for t-test for independent groups?
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Interval or ratio
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Paired T-test
(test statistic) |
t
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Paired T-test
Parametric or nonparametric? |
Parametric
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Paired T-test
Purpose? |
To test the difference between the means of two related groups or scores.
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Paired T-test
Independent variable |
Nominal
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Paired T-test
dependent variable |
Interval or ratio
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Mann-Whitney Test
Test statistic |
U
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Mann-Whitney Test
Parametric or non parametric? |
Non parametric
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Mann-Whitney Test
(Purpose) |
To test the difference in the ranks of scores of two independent groups.
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Mann-Whitney Test
Dependent variable |
Ordinal
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Wilcoxon Test
test statistic |
Z
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Wilcoxon Test
Para or non parametric |
Nonparametric
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Wilcoxon Test
(Purpose) |
To test the difference in the ranks of scores of two related groups or or scores.
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Wilcoxon Test
Dependent variable |
Ordinal
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ANOVA
Test statistic |
F
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ANOVA
Para or nonparametric |
parametric
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ANOVA
(purpose) |
To test the differences among the means of three or more independent groups.
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ANOVA
Dependent variables |
interval or ratio
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Repeated measures ANOVA
Test statistic |
F
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Repeated measures ANOVA
Para or nonparametric |
Parametric
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Repeated measures ANOVA
Purpose |
To test the differences among the means of three or more related groups or sets of scores.
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Repeated measures ANOVA
Dependent variables |
interval or ratio
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Kurskal-Wallis
(test statistic) |
H
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Kurskal-Wallis
para or non parametric |
nonparametric
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Kurskal-Wallis
Purpose |
To test the differences in the ranks of scores of three or more independent groups
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Kurskal-Wallis Ind.
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nominal
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Kurskal-Wallis dependent
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ordinal
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Friedman test
test statistic |
x2
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Friedman test
para or nonparametric |
non parametric
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Friedman test
purpose |
To test the difference in the ranks of scores of three or more related groups
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Friedman test ind.
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nominal
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Friedman test dependent
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ordinal
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Chi square test
test statistic |
x2
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Chi square test
para or non parametric |
nonparametric
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Chi square test
Purpose |
To test the difference in proportions in two or more groups.
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Chi square test ind
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nominal
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Chi square test dependent
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ordinal
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Fisher's exact test
para or non parametric |
nonparametric
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Fisher's exact test
Purpose |
To test the difference in proportions in a 2 x 2 contingency table when N<30
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Fisher's exact test Ind.
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Nominal
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Fisher's exact test dependent
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Nominal
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Pearson correlation coefficient
test statistic |
r
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Pearson correlation coefficient
para or nonparametric |
parametric
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Pearson correlation coefficient
Purpose |
To test that a correlation exists between variables
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Pearson correlation coefficient ind.
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Interval/ratio
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Pearson correlation coefficient dependent
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Interval/ratio
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Spearman's rho
test statistic |
p
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Spearman's rho
para or nonparametric |
nonparametric
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Spearman's rho
Purpose |
To test that a correlation exists between variables
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Spearman's rho ind.
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ordinal
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Spearman's rho dependent
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ordinal
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Parametric test
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A class of statistical tests that involve assumptions about the distribution of the variables and the estimation of a parameter.
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Nonparametric test
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A class of statistical test that do not involve stringent assumptions about the distribution of critical variables.
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