Which Statistical Test?

Use the table to obtain informaton on how to carry out the test in SPSS and how to report and present the results.

Move the cursor over the boxes that classify the tests for further details. Click on the statistical tests for more details.

Number of groups / Exposure (Independent) variable

Outcome(Dependent) variable

Continuous and Normally distributed (Parametric)

Continuous and skewed / Ordinal (Non-parametric)

Binary
(2 categories)

Survival
Time to event

1 group

 One-sample t test Sign test /
Signed rank test 		Chi-square test /
Exact test 		Life tables analysis

2 independent groups

 Two-sample t test

Linear regression 		Mann-Whitney U test Chi-square test /
Fisher's Exact

Logistic regression 		Log-rank test

Cox regression

Paired (related) sample
(2 time points)

 Paired t test

Bland-Altman method 		Wilcoxon signed rank test McNemar's Test

Kappa statistic 		Not covered

>2 independent groups

 One-way ANOVA test

Linear regression 		Kruskal-Wallis test Chi-square test /
Fisher's Exact Test

Logistic regression 		Log-rank test

Cox regression

>2 related samples
(>2 time points)

 Repeated measures ANOVA Friedman's Test Not covered Not covered

Continuous

 Pearson's correlation

Linear Regression 		Spearman's rank correlation

Linear regression 		Logistic regression Cox regression

Epidemiological data

     Sensitivity & specificity

PPV & NPV

ROC		  

Please Report any issues to Brian Yuen