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Creating a Clustered Bar Chart using SPSS

Introduction

A clustered bar chart is helpful in graphically describing (visualizing) your data. It will often be used in addition to inferential statistics. For example, a clustered bar chart can be appropriate if you are analysing your data using a chi-square test for association or a two-way ANOVA. If you are using an an independent-samples t-test, paired-samples t-test (dependent t-test), one-way ANOVA or repeated measures ANOVA, you will need to consider a simple bar chart instead (N.B., if you need help creating a simple bar chart using SPSS, we show you how in our enhanced content).

The purpose of this guide is to show you how to create a clustered bar chart using SPSS. Before we show you this SPSS procedure, we introduce you to the example we have used.

SPSS

Example

A researcher was interested in whether an individual's interest in politics was influenced by their level of education and their gender. The researcher recruited a random sample of participants and asked them about their interest in politics, which they scored from 0 - 100 with higher scores meaning a greater interest. The researcher then divided the participants by gender (Male/Female), and then again by level of education (School/College/University).

Therefore, the dependent variable was Interest in Politics (which we labelled "Int_Politics" in SPSS). The two independent variables were Gender (labelled "Int_Politics" in SPSS) and Educational Level (labelled "Edu_Level" in SPSS), where Gender consisted of two independent groups ("Male" and "Female"), and Educational Level three independent groups ("School", "College" and "University").

Note: The example is based on the data from our "quick start" two-way ANOVA guide. If you want to analyse your data using a two-way ANOVA, our "quick start" guide will help get you started.

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SPSS

Test Procedure in SPSS

The 14 steps that follow show you how to create a clustered bar chart in SPSS using the example above (N.B., if you need help creating a simple bar chart using SPSS, we show you how in our enhanced content).

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Steps 6 to 14, as well as the SPSS output for the clustered bar chart you are creating are displayed on the next page.

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