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What experimental group is used for comparison?
Experimenters compare the experimental group to the control group to determine if the treatment had an effect. By serving as a comparison group, researchers are able to isolate the independent variable and look at the impact it had.
How do you identify an experimental group?
An experimental group is the group in an experiment that receives the variable being tested. One variable is tested at a time. The experimental group is compared to a control group, which does not receive the test variable. In this way, experimental groups are used to find answers in an experiment.
What is the difference between an experimental group and a control group?
An experimental group is the group that receives an experimental procedure or a test sample. A single experiment may include multiple experimental groups, which may all be compared against the control group.
Which is the independent variable in an experiment?
The independent variable is “controlled” or held constant in the control group. A single experiment may include multiple experimental groups, which may all be compared against the control group. The purpose of having a control is to rule out other factors which may influence the results of an experiment.
Which is an example of a controlled experiment?
A Simple Example of a Controlled Experiment A simple example of a controlled experiment may be used to determine whether or not plants need to be watered to live. The control group would be plants that are not watered. The experimental group would consist of plants that receive water.
How to test hypothesis with control and treatment groups?
I have two groups (randomly assigned), a control group, and an experimental group. The experimental group received training while the control group didn’t receive any training. I collected data for both groups in baseline and retention sessions (pre and post-treatment for the experimental group).