22-T-test-Paired.Rmd

# T-Test: Paired samples {#paired-samples-t-test}

#### How to perform a paired samples t-test in jamovi: {-}

1. You need two continuous variables. Make sure that the measurement levels are set^[This is demonstrated in section \@ref(level-of-measurement).] so that both the continuous variables are marked with <img src="images/icons/continuous.JPG" width="3%" alt=" the continuous data icon"/>.  
A correct setup should look similar to this:  
<img src="images/data_format/data_format_ttest_paired.JPG" width="40%"/>

2. Select `Analyses` -> `T-Tests` -> `Paired Samples T-Test`.  
<img src="images/select/select_ttest_paired.JPG" width="40%"/> 

3. Drag and drop your two outcome variables to __Paired Variables__.  
<img src="images/add_var/add_var_ttest_paired.JPG" width="70%"/> 

4. The result is shown in the right panel