In an experiment, there are two groups. Which group is not changed in any way? variable control hypothesis experimental

Answer

Control Group

Q: What is the purpose of having a group that is not changed? A: The group that is not changed is the control group, which is used as a comparison to the experimental group.
Q: What is the difference between the control group and the experimental group? A: The experimental group is the group that is exposed to the independent variable, while the control group is not exposed to the independent variable and is used as a comparison.