The similarity between the experimental group and the control group is that in both cases, results are expected.
middle class
middle class
amorites
Aids
suljuks
suljuks
The Persians took control of the Middle East in the mid 600s.
Islam. It is important to note that the distinction between Shi'a Islam, Sunni Islam, and Ibadi Islam (and between the internal schools of each) happened relatively early on, so to say that that Islam is one religious group is like saying Christianity is one religious group when there are vast differences between Orthodox, Catholic, Protestant, Eastern Christians, and Mormons.
(1 pt) Christian knights
Hebrews
Sons of Liberty
The control group in an experiment is the group that nothing is done to. The reason why there is a control group in experiments is to compare it with the group that has been tested.
You use a control group to compare the results of the experimental group to. The control group has the "normal" results. After the experiment, you can tell if and what has changed from the control groups results
The control group is used for exprimenting
the group that does not change in the experiment VIVI :)
You need a control group to compare your experimental group to something.