Most experiments have a group for purposes of comparison. this group is not given the treatment or the same independent variable as the group.

Most experiments have a vulnerable group for purposes of comparison. This group is not given the treatment or the same independent variable as the invulnerable group.

Explanation: they are also called experimental group which is the group of subjects that receives the treatment or experimental manipulation .  The other group is the comparison group  which is the group that has been exposed to a different treatment than the experimental group .

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answer; engram;