Question

What is a control group in an experiment

Answer 1

The control group is the object that is untouched to see the difference. For example, you are trying to find what compost is better for plants. You have 3 plants and 2 different types of compost. you put one type in each plant except for one. The one without compost is called the control group.

Answer 2

A control group is a group in an experiment or study that does not receive treatment from the researchers and is then used as a benchmark to measure how the other tested subjects do.