How to Conduct a One-way MANOVA?

This is just as ANOVA except there is two or more dependent variable. In one way MANOVA, there is one categorical independent and two or more dependent variables.

  1. Click Analyze-General Linear Models- click on the Multivariate

-the multivariate dialogue box opens

  1. Transfer the independent variable into the Fixed Factor(s) box and similarly transfer the dependent variable into the Dependent Variables box
  • For this analysis, you don’t need to use the Covariate(S) box
  • You will be presented with the Multivariate: Profile plots dialogue box
  1. Transfer the Independent variable into the Horizontal Axis box.
  2. Click the Add button.

-you will see the independent variable has been added to the Plots box.

  1. Click on the Continue button
  • This will return you to the Multivariate dialogue Box
  1. Click the Post Hoc button.
  • You will be presented with the Multivariate: Post Hoc Multiple Comparison for Observed dialogue box.
  1. Transfer the independent variable into the Post Hoc Tests for: box and select Tukey Checkbox in the Equal Variances Assumed area
  • You can select other post hoc tests depending on your data and study design
  • If your independent variable only has two levels/categories, you do not need to complete this post hoc section.
  1. Click on the Continue Button
  • This returns you to the multivariate dialogue box
  • This presents you the multivariate: options dialogue box
  1. Transfer the independent variable from the Factor(s) and Factor interactions box into the Display means for
  2. Select the Descriptive statistics, Estimates of Effect size and Observed power checkboxes in the Display area
  3. Click the Continue button.
  • Returns you the multivariate dialogue box
  1. Click the Ok button to generate the output

Originally published at www.spss-statistics.com.