CHOOSING STATISTICS
What is a Statistical Menu?
How Do We Know
What Statistic To Do?
What is a Statistical Menu?
What is a Statistical Menu?
Frequency Distribution
Pearson r
Independent Samples t-Test
Percentile Rank
Spearman rho
Dependent Samples t-Test
Mean
Point-biserial r
Wilcoxon Rank-Sum Test
Median
Phi Coefficient
Wilcoxon T Test
Mode
Regression
One-Way BS ANOVA
Standard Deviation
z-Test
Kruskal-Wallis ANOVA
z-Score
Single-Sample t-Test
One-Way RM ANOVA
Simple Probability
Confidence Interval, z-scores
Friedman ANOVA
Binomial Probability
Confidence Interval, t-scores
Two-Way BS ANOVA
Confidence Interval - Proportion Two-Way Mixed ANOVA
Chi-Square Goodness of Fit
Chi-Square Test of Independence
How Do We Know
What Statistic to Do?
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Be aware of the options: statistical menu.
Know how to find out about other options.
Organize your knowledge.
Ask a series of questions.
Look for examples in the literature.
Practice.
How Do We Know
What Statistic to Do?
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What is the purpose of your study?
What type of design do you have?
What type of data do you have?
Menu Organized by Purpose
Describe
Estimate
Relate
Compare
Frequency Distribution
Confidence Interval, zscores
Pearson r
z-Test
Percentile Rank
Confidence Interval, tscores
Spearman rho
Single-Sample t-Test
Mean
Confidence Interval Proportion
Point-biserial r
Chi-Square Goodness of Fit
Median
Phi Coefficient
Independent Samples t-Test
Mode
Regression
Dependent Samples t-Test
Standard Deviation
Chi-Square Test of
Independence
Wilcoxon Rank-Sum Test
z-Score
Wilcoxon T Test
Simple Probability
One-Way BS ANOVA
Binomial Probability
Kruskal-Wallis ANOVA
One-Way RM ANOVA
Friedman ANOVA
Two-Way BS ANOVA
Two-Way Mixed ANOVA
Menu Organized by Design
Relational
One Group
Independent Groups
Related Groups
Pearson r
Confidence Interval, zscores
Chi-Square Goodness Dependent Samples t-Test
of Fit
Spearman rho
Confidence Interval, tscores
Independent Samples
t-Test
Wilcoxon T Test
Point-biserial r
Confidence Interval Proportion
Wilcoxon Rank-Sum
Test
One-Way RM ANOVA
Phi Coefficient
z-Test
One-Way BS
ANOVA
Friedman ANOVA
Regression
Single-Sample t-Test
Kruskal-Wallis
ANOVA
Chi-Square Test of
Independence
Menu Organized by Design and Data Type
Independent Groups
Related Groups
Nominal
Chi-Square Goodness of Fit
Ordinal
Wilcoxon Rank-Sum Test
Kruskal-Wallis ANOVA
Wilcoxon T Test
Friedman ANOVA
Interval/Ratio
Independent Samples t-Test
One-Way BS ANOVA
Dependent Samples t-Test
One-Way RM ANOVA