These SPSS tutorials are designed to be detailed and comprehensive, but still easy to understand.
If you just want to get to your result as quickly as possible, then try our Quick Tutorials. Otherwise follow the links here as a first step on your journey to gaining a full understanding of the tools and resources on offer within the SPSS statistics package.
There are two ways in which you can merge files (data sets) in SPSS. Firstly, you can merge files that contain the same variables (fields or columns) but different records or cases (rows). Secondly, you can merge files that contain the same records or cases (rows) but different variables (fields or columns). The steps for … Read more
The Split File option in SPSS allows you to split your dataset into subgroups so that you can run the same analyses for each subgroup. SPSS does not split your file physically. Rather it separates your analyses using the categorical variable that you have used to split – or group – your data. Examples of … Read more
In this tutorial we show you how to conduct simple main effects tests in SPSS for a two-way ANOVA with a significant interaction effect. We also show you how to interpret the results of these tests. The two-way ANOVA (analysis of variance) assesses the effects of two independent categorical variables on a continuous dependent variable. … Read more
The two-way ANOVA (analysis of variance) assesses the effects of two independent categorical variables on a continuous dependent variable. If you find a significant main effect for one or both of your independent variables with a two-way ANOVA – and you do not find a significant interaction effect between these variables – you can conduct … Read more
The two-way ANOVA (analysis of variance) is used to assess the effects of two independent categorical variables (such as gender and college major) – both alone and in combination with each other – on a continuous dependent variable (such as an exam score). In this tutorial we show you how to perform and interpret the … Read more
Side-by-side boxplots (or box and whisker plots) are a way of visually comparing the distribution of numeric data using the “five number summary” – the minimum, first quartile, median, third quartile, and maximum values – of two or more groups. They also allow us to identify any outliers that may exist in our data. This … Read more
A boxplot (also known as a box and whisker plot) is a way of graphically illustrating the distribution of numeric data using the “five number summary” of the data set – namely the minimum, first quartile, median, third quartile, and maximum values. It also identifies any outliers that may exist in the data set. This … Read more
SPSS allows users to make a wide variety of edits to their bar charts. In this tutorial we will show you the easiest way to make some of the most common and useful edits using the same simple bar chart. Please see our dedicated tutorial if you wish to format your SPSS chart in APA … Read more
In this tutorial we show you seven ways to make better SPSS pie charts by editing them. Select the edits that work best for your own pie chart, and remember that the goal of your edits is to communicate your data to your audience as clearly as possible. 1. Editing Your Pie Chart … Read more