4 T-Test: Independent samples

How to perform an independent samples t-test in jamovi:

  1. You need one grouping variable with two levels (e.g. treatment/control) and one continuous outcome variable. Make sure that the measurement levels are set1 so that the grouping variable is marked with  grouped data icon and the continuous variable is marked with  the continuous data icon.
    A correct setup should look similar to this:

  2. Select Analyses -> T-Tests -> Independent Samples T-Test.

  3. Drag and drop your outcome variable to Dependent Variables and your grouping variable to Grouping Variable.

  4. The result is shown in the right panel


  1. This is demonstrated in section 2.