AI engineering glossary · Statistics inference
What is control group?
Control group: The group in an experiment that does not receive the change being tested, providing the baseline against which the changed group is compared. Randomly assigned, it shows what would have happened without the change.
Control group: an example
In a test of a new recommendation model, the control group keeps seeing recommendations from the old model.
Related terms
More Statistics inference terms
- Counterfactual
- Cramér-Rao bound
- Credible interval
- Critical value
- Degrees of freedom
- Difference-in-differences
- Effect size
- Efficiency
Where you learn it
Control group is part of the AI Engineering Program, which teaches it with notes, a hands-on lab and an exam. The first lesson is free.