Statistical Analysis

What is significance testing?

The purpose of performing a significance test can vary but the most common purpose is to identify differences between subgroups or subgroup’s results compared to the totals in the survey.

There are many different types of significance testing. PPTX Builder uses Z-Test on row/column proportions.

It can also for instance be performed between brands, target groups and time periods. To enable significance test in a chart, select Statistical Analysis on the right hand pane and enable significance test, as shown in the image below

If you want to perform significance testing on your data you'll need to purchase the sigtesting feature.

Test Types

PPTX Builder provides 4 significance test types:

  1. All vs All

  2. Control Group vs Test Group

  3. Next Data Point

  4. Previous Data Point