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# MASH : Maths and Stats Help

### Statistical Tests with Jamovi

You will find on this page a number of guides we have developed to help you carry out a number of descriptive and inferential statistical tests using Jamovi, as well as some additional general use guides.

Jamovi is a statistical analysis tool is. It is a free, open-source software package, with a user friendly interface that is powered by R. You can download it onto your computer or use their cloud version from their website, or access it via Apps Anywhere. Please see out Stats/Maths Software page.

If there is a test or process you would like to see here, please email us your suggestions.

## Testing for a Difference

We can explore differences between groups in multiple ways, depending on the structure of our groups. If we divide our data between subjects (putting different people/participants in different groups) we can compare between these groups and we have a between-subjects design. If we have one participant group and we measure them multiple times, we can test if there is a difference in the repeated measurement and therefore, we have a repeated-measures design.

In some subjects, like Psychology, a repeated-measures design is called a within-subjects design.

## Testing for a Relationship

We can explore relationships in two ways; a correlation or a regression. Correlations quantify or measure the strength of the relationship between two variables. Regression expresses the relationship between two (or more) variables in the form of an equation.

## Additional Guides on Jamovi

Supporting the guides on specific statistical tests, we have made some additional tutorials on obtaining other information about variables and data sets in Jamovi.

As ever, if you do not find what you are looking for here, please email us with your suggestions for additional content or request an appointment.