Question

why is a control group important in an experiment? it allows comparison to see the effect of the independent variable it guarantees the hypothesis is correct it keeps the experiment interesting it speeds up the experiment

Explanation:

A control group is untreated and serves as a baseline. By comparing the experimental group (with the independent - variable manipulation) to the control group, researchers can determine the effect of the independent variable. It doesn't guarantee hypothesis correctness, make the experiment more interesting, or speed it up.

Answer:

It allows comparison to see the effect of the independent variable