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navik [9.2K]
3 years ago
11

An experiment is designed so that you can observe the differences between the experimental group and the 

Biology
2 answers:
Vladimir79 [104]3 years ago
6 0

Answer:

Control group

Explanation:

A controlled experiment is one in which a control group is used to compare with an experimental group in a test of a causal hypothesis. The control group is the group that, on an experimental level, is subject to pretest and posttest, but not to treatment or intervention. Thus, the control group differs from the experimental group only in the absence of intervention or impact of the experimental (independent) variable, or its manipulation being equivalent from the point of view of sampling to the experimental group.

brilliants [131]3 years ago
5 0

Answer:

Control group

Explanation

In every experiment, we must need a standard or control to compere the other variations or treatments we assay. For example, we want to know the effect of a new fertilizer in plants. We have one group of plants without fertilizer and one group with fertilizer. after a month we see if the fertilizer is effective in promoting growth, we compare the size of the plants with and without if it is effective the plant will be taller than control group.

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