SPSS Wilcoxon Signed-Ranks test is used for comparing two metric variables measured on one group of cases.

It's a powerful test that doesn't ask much from your data. Simple, step by step tutorial. Read More

SPSS Kruskal-Wallis test is a nonparametric alternative for a one-way ANOVA if its assumptions aren't met.

This tutorial explains when to use Kruskal-Wallis and how to run and interpret it in SPSS. Read More

This tutorial shows how to draw a simple regression line in SPSS.

We'll first create a basic scatterplot and then add our fit line to it via the Chart Editor. Read More

SPSS two way ANOVA the right way in 5 simple steps.

Easy tutorial in clear language with downloadable data file, enhanced screenshots and annotated output. Read More

The most common post hoc test in SPSS ANOVA is Tukey’s HSD. It compares each possible pair of means, thus identifying exactly which means differ. Read More

SPSS Wilcoxon Signed-Ranks test is used for comparing two metric variables measured on one group of cases. It's the nonparametric alternative for a paired-samples t-test when its assumptions aren't met. Read More

SPSS Kruskal-Wallis test is a nonparametric alternative for a one-way ANOVA. This tutorial shows how to run it and when to use it. Read More

For drawing a regression line in SPSS, first just run a basic scatterplot via the Graph menu. After double clicking the scatterplot, we can add a regression line and equation to it via the Elements menu. Read More

Run your SPSS two way ANOVA the right way in 5 simple steps. With downloadable data file, enhanced screenshots and annotated output. Read More

A common post hoc test in SPSS ANOVA is Tukey’s HSD procedure. It basically compares all mean scores to all other mean scores. This tutorial guides you through the entire analysis. Read More