Recognizing controlled trials
The video highlighted the benefits of controlled trials, particularly using randomization and double-blinding. However, there are lots of ways to perform experiments and sometimes a controlled trial might not be appropriate or even feasible.
In this exercise, you'll need to classify each scenario based on whether it describes a controlled trial or another type of experiment.
This exercise is part of the course
Introduction to Statistics
Hands-on interactive exercise
Turn theory into action with one of our interactive exercises
