In this example, you have tested how two different tutorials affect one’s ability to use an application. You’ve recruited subjects and randomly assigned each to either Tutorial_A or Tutorial_B. After completing their designated tutorial, they perform a task in the application, and you time how long it takes them.
A summary of this experiment data
- This is a between subject experiment.
- Independent variable: tutorial (2 conditions - A and B)
- Dependent variable: completion_time (continuous variable measured in seconds)
What you need to do
- Download a CSV dataset from http://steveh.co/public/simple_effect_examples/data/
- Read the data into R.
- Follow the simple effect size guide to understand the performance differences following the two different tutorials.
- Which tutorial yeilds faster performance (lower completion time)? How reliable is that difference?
- Report the results as you would in a paper.