Merging Files in SPSS

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

How to Split Files in SPSS – Analyzing Data by Group

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

Two-Way ANOVA in SPSS Including Interpretation

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

Sorting Data in SPSS

Sorting data in SPSS involves reordering the records or cases (rows) in your data set based on the values for one or more of the variables (fields or columns) in that data set. Some procedures in SPSS require that you sort your data in a specific way before you use them. In addition, sorting can … Read more

How to Create and Interpret Side-by-Side Boxplots in SPSS

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

How to Create and Interpret a Boxplot in SPSS

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

How to Edit Bar Charts in SPSS

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. You can either read the whole tutorial or jump to the section(s) you need using … Read more

How to Create a Scatter Plot in SPSS

Scatter plots allow us to visualize the relationship between two numeric variables.  This quick tutorial will show you the easiest method to create a simple scatter plot in SPSS. Quick Steps Click Graphs -> Legacy Dialogs -> Scatter/Dot Select “Simple Scatter” Click “Define” Click “Reset” (recommended) Select the predictor/independent variable and move it into the … Read more

How to Edit Pie Charts in SPSS

There are many ways in which you can edit the pie charts that you create in SPSS.  This tutorial will show you how to make the most common and useful edits. Editing Your Pie Chart in SPSS After you create a pie chart in SPSS, the Output Viewer will pop up with your new chart.  … Read more

How to Calculate and Interpret Z Scores in SPSS

This tutorial will show you how to calculate and interpret z scores in the SPSS statistical package. Z scores are variables that have been standardized such that they have a mean of 0 and a standard deviation of 1. Quick Steps Click Analyze -> Descriptive Statistics -> Descriptives Click “Reset” (recommended) Selected the variable(s) that … Read more

How to Create a Stem and Leaf Plot in SPSS

This tutorial will show you how to create a stem and leaf plot in the SPSS statistical package. Quick Steps Click Analyze -> Descriptive Statistics -> Explore Click “Reset” (recommended) Move the variable you wish to plot into the “Dependent List” box Click the “Plots” button Ensure the “Stem-and-leaf” option is selected under “Descriptive” Under … Read more

How to Create a Stacked Bar Chart in SPSS

This tutorial will show you the quickest method to create a stacked bar chart to visualize the relationship between two variables in the SPSS statistical package. Quick Steps Click Graphs -> Legacy Dialogs -> Bar Select “Stacked” and “Summaries for groups of cases” Click Define Move the variable you wish to display on the horizontal … Read more

How to Create a Clustered Bar Chart in SPSS

This tutorial will show you the quickest method to create a clustered bar chart to visualize the relationship between two variables in the SPSS statistical package. Quick Steps Click Graphs -> Legacy Dialogs -> Bar Select “Clustered” and “Summaries for groups of cases” Click Define Select the variable you wish to display on the horizontal … Read more